{"id":7402,"date":"2025-07-01T17:56:39","date_gmt":"2025-07-01T08:56:39","guid":{"rendered":"https:\/\/sinbidays.com\/%f0%9f%a5%8b-jiu-jitsu-rashguard-from-beginner-to-review-plus-todays-little-incident\/"},"modified":"2026-03-06T20:38:26","modified_gmt":"2026-03-06T11:38:26","slug":"bjj-rashguard-review-seojun-story","status":"publish","type":"post","link":"https:\/\/sinbidays.com\/en\/bjj-rashguard-review-seojun-story\/","title":{"rendered":"\ud83e\udd4b Jiu-Jitsu Rashguard &#8211; From Beginner to Review, Plus Today&#8217;s Little Incident"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/underarmour-spyder-rashguard.webp\" alt=\"An illustration of two male characters wearing athletic wear with Spider and Under Armour logos.\" class=\"wp-image-2328\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/underarmour-spyder-rashguard.webp 1536w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/underarmour-spyder-rashguard-300x200.webp 300w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">&#8220;Real Jiu-Jitsu Rashguard Review\ud83d\udd25 + Today&#8217;s Incident\ud83d\ude31&#8221;<\/figcaption><\/figure>\n\n\n\n<p><br><\/p>\n\n\n\n<script async=\"\" src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-1714963467738367\" crossorigin=\"anonymous\"><\/script>\n<!-- click-breeze -->\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1714963467738367\" data-ad-slot=\"8109743087\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Hello~ I&#8217;m Seojun from Cheongju! \ud83d\ude0a<br>Today I want to share something a bit special.<br>It&#8217;s about&#8230; <strong>&#8220;jiu-jitsu rashguards.&#8221;<\/strong><\/p>\n\n\n\n<p>Actually, I&#8217;m writing this because of&#8230; a small incident that happened today.<br>And at the same time&#8230; <strong>it&#8217;s also the day a long-held wish of mine came true.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Jiu-Jitsu Rashguard? What&#8217;s That? <\/h3>\n\n\n\n<p>When I first started jiu-jitsu, I honestly didn&#8217;t know either.<br><strong>&#8220;I can just wear comfortable workout clothes, right?&#8221;<\/strong> That thought&#8230; was really naive \ud83d\ude05<\/p>\n\n\n\n<p>But the gym instructor said<br>wearing a rashguard reduces discomfort from movement and<br>friction during training.<\/p>\n\n\n\n<p>After actually rolling on the gym floor,<br>scrambling with opponents a few times,<br>and getting drenched in sweat, I realized one thing.<\/p>\n\n\n\n<p><strong>&#8220;Rashguards are really necessary.&#8221;<\/strong><\/p>\n\n\n\n<p><strong>Jiu-jitsu rashguards<\/strong> aren&#8217;t just simple t-shirts.<br>\u2714\ufe0f <strong>They protect your skin<\/strong><br>\u2714\ufe0f <strong>Shield your body from opponents&#8217; nails, sweat, and friction<\/strong><br>\u2714\ufe0f Most importantly, <strong>they fit snugly during training to help you perform at your best<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 What Have I Been Wearing Until Now?<\/h3>\n\n\n\n<p>Up until now, I&#8217;ve mainly worn <strong>Under Armour compression<\/strong> for jiu-jitsu.<br>Under Armour is actually a great brand for the gym.<br>The sweat absorption, tightness, and fit were all satisfying.<\/p>\n\n\n\n<p>But&#8230; the problem is&#8230;<br><strong>&#8220;Under Armour isn&#8217;t a jiu-jitsu-specific rashguard&#8221;<\/strong> \ud83d\ude05<\/p>\n\n\n\n<p>Generally, when you <strong>wear Under Armour for grappling<\/strong>&#8230;<\/p>\n\n\n\n<p>\u2714\ufe0f <strong>It&#8217;s weak against friction<\/strong><br>\u2714\ufe0f <strong>After rolling a few times, seams start coming loose<\/strong><br>\u2714\ufe0f <strong>The top gets pilled<\/strong><\/p>\n\n\n\n<p>Despite all that&#8230;<br>I&#8217;ve managed to make my Under Armour clothes last for years<br>with &#8220;extreme control&#8221; lol \ud83d\ude06<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 And Today&#8230; A Disappearance Occurred \ud83d\ude31<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Lost-Clothes-Seo-Jun-1024x683.webp\" alt=\"A surprised look after trying on a Jiu-Jitsu rash guard, as seen on the Shinbi Days blog.\" class=\"wp-image-2329\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Lost-Clothes-Seo-Jun-1024x683.webp 1024w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Lost-Clothes-Seo-Jun-300x200.webp 300w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Lost-Clothes-Seo-Jun.webp 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Huh? Where did my clothes go&#8230;? <\/figcaption><\/figure>\n\n\n\n<p>Today, as usual, I finished my gym workout and went to shower.<br>I left my Under Armour top and compression shorts <strong>on the bottom of my locker<\/strong> and headed straight to the shower~<\/p>\n\n\n\n<p>And when I got home&#8230;<br>Wait&#8230; <strong>&#8220;Uh&#8230;? Why are my clothes missing&#8230;???&#8221;<\/strong><\/p>\n\n\n\n<p>My mind went blank&#8230; \ud83d\ude28<\/p>\n\n\n\n<p>\u2714\ufe0f Did someone take them by mistake?<br>\u2714\ufe0f I thought I packed them properly&#8230;<br>\u2714\ufe0f Or did I put them in my new bag?<\/p>\n\n\n\n<p>It&#8217;s still a mystery&#8230;<br><strong>&#8220;The Case of Seojun&#8217;s Missing Under Armour&#8221;&#8230;<\/strong><br>The truth might still be somewhere on the gym floor&#8230; \ud83d\ude05<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 So&#8230; I Ended Up Buying Again \ud83d\ude06\ud83d\udd25<\/h3>\n\n\n\n<p>No time to be sad&#8230; the next day I immediately logged onto Coupang!<br><strong>New Under Armour Compression Short Sleeve HeatGear Black 2XL<\/strong><br>Ordered right away and it&#8217;s arriving tomorrow!<br><strong>(Please arrive before lunch tomorrow&#8230; please \ud83d\ude2d)<\/strong><\/p>\n\n\n\n<p>If you&#8217;re curious, <a href=\"https:\/\/link.coupang.com\/a\/cMQZ2R\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">go to Under Armour Compression<\/a> \u2728<\/p>\n\n\n\n<p>This time it&#8217;s the top!<br>I still have 3\/4 compression pants<br>so I&#8217;ll make do with those for now \ud83d\ude06<\/p>\n\n\n\n<style>\n  .cp-card {\n    max-width: 100%;\n    margin: 30px auto;\n    border: 1px solid #eee;\n    border-radius: 12px;\n    display: flex;\n    justify-content: space-between;\n    background: #fff;\n    overflow: hidden;\n    font-family: 'Apple SD Gothic Neo', sans-serif;\n    transition: transform 0.2s ease-in-out;\n    box-shadow: 0 4px 12px rgba(0,0,0,0.05);\n  }\n  .cp-card:hover {\n    transform: translateY(-5px);\n    box-shadow: 0 8px 20px rgba(0,0,0,0.1);\n  }\n  .cp-img-box {\n    width: 220px;\n    background: #fff;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    padding: 15px;\n  }\n  .cp-img-box img {\n    max-width: 100%;\n    height: auto;\n  }\n  .cp-info {\n    flex: 1;\n    padding: 20px;\n    display: flex;\n    flex-direction: column;\n    justify-content: space-between;\n  }\n  .cp-tag {\n    display: inline-block;\n    background: #f1f1f1;\n    color: #666;\n    font-size: 11px;\n    padding: 2px 6px;\n    border-radius: 3px;\n    margin-bottom: 8px;\n    width: fit-content;\n  }\n  .cp-title {\n    font-size: 17px;\n    font-weight: 700;\n    color: #333;\n    line-height: 1.4;\n    margin-bottom: 10px;\n  }\n  .cp-desc {\n    font-size: 14px;\n    color: #555;\n    line-height: 1.5;\n    margin-bottom: 15px;\n  }\n  .cp-price-box {\n    margin-top: auto;\n    border-top: 1px solid #f9f9f9;\n    padding-top: 15px;\n  }\n  .cp-price {\n    font-size: 20px;\n    font-weight: 800;\n    color: #cb1400; \/* \ucfe0\ud321 \ub808\ub4dc *\/\n  }\n\/* \u2728 \uc11c\uc900\uc774 \uc2a4\ud0c0\uc77c: \uc120\uba85\ud55c \uc5f0\ud55c \ubca0\uc774\uc9c0 \ubc84\ud2bc *\/\n  .cp-btn {\n    display: block;\n    background: #f5f1e6; \/* 1. \uc120\uba85\ud558\uace0 \ub530\ub73b\ud55c \uc5f0\ud55c \ubca0\uc774\uc9c0 *\/\n    color: #8d7b68 !important; \/* 2. \uac00\ub3c5\uc131\uc744 \uc704\ud55c \uc9c4\ud55c \ube0c\ub77c\uc6b4 \ud14d\uc2a4\ud2b8 *\/\n    text-align: center;\n    padding: 12px;\n    border-radius: 8px; \/* 3. \uc870\uae08 \ub354 \ubd80\ub4dc\ub7ec\uc6b4 \ub77c\uc6b4\ub4dc *\/\n    text-decoration: none;\n    font-weight: 700;\n    margin-top: 15px;\n    font-size: 15px;\n    border: 1px solid #e0d8c3; \/* 4. \ubc84\ud2bc \ud14c\ub450\ub9ac\ub85c \uc120\uba85\ud568 \ucd94\uac00 *\/\n    transition: all 0.2s ease-in-out;\n    box-shadow: 0 2px 4px rgba(0,0,0,0.05); \/* 5. \uc0b4\uc9dd \uc785\uccb4\uac10 *\/\n  }\n\n  \/* \ub9c8\uc6b0\uc2a4 \uc62c\ub838\uc744 \ub54c (Hover) \ud6a8\uacfc *\/\n  .cp-btn:hover {\n    background: #e8e1cf; \/* \uc870\uae08 \ub354 \uc9c4\ud55c \ubca0\uc774\uc9c0\ub85c \ubcc0\uacbd *\/\n    color: #6f5f50 !important;\n    border-color: #d1c7ac;\n    transform: translateY(-2px); \/* \uc0b4\uc9dd \ub5a0\uc624\ub974\ub294 \ub290\ub08c *\/\n    box-shadow: 0 4px 8px rgba(0,0,0,0.1);\n  }\n\n  \/* \u2728 \ubaa8\ubc14\uc77c \ubc18\uc751\ud615 \uc815\uc790\uc138 \uc124\uc815 *\/\n  @media screen and (max-width: 600px) {\n    .cp-card {\n      flex-direction: column;\n    }\n    .cp-img-box {\n      width: 100%;\n      height: auto;\n      padding: 30px;\n    }\n    .cp-info {\n      padding: 15px;\n    }\n    .cp-btn {\n      padding: 15px;\n    }\n  }\n<\/style>\n\n<div class=\"cp-card\">\n  <div class=\"cp-img-box\">\n    <img decoding=\"async\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Under-Armour-Rash-Guard.jpg\" alt=\"Under Armour HeatGear Compression\">\n  <\/div>\n  \n  <div class=\"cp-info\">\n    <div>\n      <span class=\"cp-tag\">Authentic Domestic Retail Version<\/span>\n      <div class=\"cp-title\">[Under Armour] Men&#8217;s HeatGear Armour Compression Short-Sleeve Sportswear Black<\/div>\n      <p class=\"cp-desc\">\n \ud83d\udd25 Compression that maintains optimal temperature during workouts!<br> \ud83d\udcaa The very model Seojun paid for to get tomorrow!\n      <\/p>\n    <\/div>\n    <div class=\"cp-price-box\">\n      <a href=\"https:\/\/link.coupang.com\/a\/cMQZ2R\" class=\"cp-btn\" target=\"_blank\" rel=\"nofollow\">\n \ud83d\ude80 Buy with Rocket Delivery\n      <\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<style>\n  .amz-card {\n    max-width: 100%;\n    margin: 30px auto;\n    border: 1px solid #ddd;\n    border-radius: 8px;\n    display: flex;\n    justify-content: left;\n    background: #fff;\n    overflow: hidden;\n    font-family: 'Arial', 'Noto Sans KR', sans-serif;\n    transition: all 0.2s ease;\n  }\n  .amz-card:hover {\n    border-color: #e47911;\n    box-shadow: 0 4px 15px rgba(0,0,0,0.1);\n  }\n  .amz-img-box {\n    width: 200px;\n    padding: 20px;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    border-right: 1px solid #eee;\n  }\n  .amz-img-box img {\n    max-width: 100%;\n    height: auto;\n  }\n  .amz-info {\n    flex: 1;\n    padding: 20px;\n    display: flex;\n    flex-direction: column;\n  }\n  .amz-brand {\n    font-size: 13px;\n    color: #007185;\n    text-decoration: none;\n    margin-bottom: 5px;\n  }\n  .amz-title {\n    font-size: 17px;\n    font-weight: 600;\n    color: #0f1111;\n    line-height: 1.4;\n    margin-bottom: 10px;\n  }\n  .amz-desc {\n    font-size: 13px;\n    color: #565959;\n    margin-bottom: 15px;\n    line-height: 1.6;\n  }\n  .amz-price {\n    font-size: 24px;\n    font-weight: 500;\n    color: #0f1111;\n    margin-bottom: 15px;\n  }\n  .amz-btn {\n    display: block;\n    background: #f5f1e6;\n    color: #8d7b68 !important;\n    text-align: center;\n    padding: 10px;\n    border-radius: 20px;\n    text-decoration: none;\n    font-weight: 700;\n    font-size: 14px;\n    border: 1px solid #e0d8c3;\n    box-shadow: 0 2px 5px rgba(0,0,0,0.06);\n  }\n  .amz-btn:hover {\n    background: #e8e1cf;\n    border-color: #d1c7ac;\n  }\n\n  @media screen and (max-width: 600px) {\n    .amz-card {\n      flex-direction: column;\n    }\n    .amz-img-box {\n      width: 100%;\n      border-right: none;\n      border-bottom: 1px solid #eee;\n    }\n    .amz-btn {\n      padding: 15px;\n      font-size: 16px;\n    }\n  }\n<\/style>\n\n<div class=\"amz-card\">\n  <div class=\"amz-img-box\">\n    <img decoding=\"async\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Under-Armour-Rash-Guard.jpg\" alt=\"Under Armour HeatGear\">\n  <\/div>\n  \n  <div class=\"amz-info\">\n    <a href=\"https:\/\/amzn.to\/46Kx1sf\" class=\"amz-brand\" target=\"_blank\">Visit Under Armour Store &gt;<\/a>\n    <div class=\"amz-title\">Under Armour Men&#8217;s HeatGear Armour Compression Short-Sleeve T-shirt<\/div>\n    <p class=\"amz-desc\">\n \ud83c\udf0d Check for direct shipping to Korea!<br> \ud83d\udcaa The ultimate base layer to support your journey towards a 430kg big three goal.\n    <\/p>\n    <div class=\"amz-price\">$24.99<\/div>\n    <a href=\"https:\/\/amzn.to\/46Kx1sf\" class=\"amz-btn\" target=\"_blank\" rel=\"nofollow\">\n \ud83d\uded2 Buy on Amazon\n    <\/a>\n  <\/div>\n<\/div>\n\n\n\n<p>If you purchase through the link, I may receive a small commission.<br>It&#8217;s a big help in running this blog \ud83d\ude0a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 And&#8230; My Wish Finally Came True&#8230; &#8220;Spider Rashguard&#8221; \ud83d\ude2d\u2764\ufe0f<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun2-1024x768.webp\" alt=\"A photo of wearing a Jiu-Jitsu rash guard for the Shinbi Days blog, emphasizing its clean black design and comfortable fit.\" class=\"wp-image-2330\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun2-1024x768.webp 1024w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun2-300x225.webp 300w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun2-768x576.webp 768w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun2.webp 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Spider jiu-jitsu rashguard top and bottom wearing shot<\/figcaption><\/figure>\n\n\n\n<p><br>This is actually a really big personal change for me.<\/p>\n\n\n\n<p><strong>&#8216;Spider Rashguard&#8217;<\/strong><br><strong>That brand I occasionally saw at the gym since I was young&#8230;<\/strong><br><strong>&#8220;Will I ever be able to spar wearing Spider?&#8221;<\/strong><br>Those days when I could only look at it from afar&#8230;<br>There&#8217;s even a Spider rashguard photo on my vision board&#8230;<\/p>\n\n\n\n<p>But this time, finally&#8230;<br><strong>Spider top and bottom full set, about 160,000 won investment!!<\/strong><br>Honestly, in terms of money, it&#8217;s quite a big expense for me. \ud83d\ude05<\/p>\n\n\n\n<p>But&#8230;<br>Even as I write this&#8230;<br><strong>&#8220;Yeah&#8230; I&#8217;ve grown&#8230; Now I&#8217;m someone who wears Spider&#8230;&#8221;<\/strong><br><strong>&#8220;The value of my wish fulfilled with 160,000 won&#8230; definitely worth it&#8230;&#8221;<\/strong><br>That sense of pride washes over me \ud83d\ude2d\u2728<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Spider Rashguard Advantages (Purple Belt Seojun&#8217;s Perspective \ud83d\ude0e)<\/h3>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"2331\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun1-768x1024.webp\" alt=\"\" class=\"wp-image-2331\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun1-768x1024.webp 768w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun1-225x300.webp 225w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun1.webp 1050w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"2332\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun3-768x1024.webp\" alt=\"Here's a look at the Shinbi Days Jiu-Jitsu rash guard and athletic wear being worn.\" class=\"wp-image-2332\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun3-768x1024.webp 768w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun3-225x300.webp 225w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Shinbidays-Seojun3.webp 1050w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u2714\ufe0f <strong>Top-tier durability (for this price range)<\/strong><br>\u2714\ufe0f <strong>Solid stitching<\/strong><br>\u2714\ufe0f <strong>Allows quick movement, harder for opponents to grab (my theory)<\/strong><br>\u2714\ufe0f <strong>Clean design, logo not excessive<\/strong><br>\u2714\ufe0f <strong>One-piece bottoms prevent riding up<\/strong><br>\u2714\ufe0f <strong>Best performance for the price<\/strong><br>\u2714\ufe0f <strong>Can trap opponents like a spider (Spider buff)<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Spider Disadvantages (Honest Version \ud83d\ude1d)<\/h3>\n\n\n\n<p>\u2714\ufe0f <strong>Lacks name value compared to top international brands<\/strong><br>\u2714\ufe0f <strong>A bit difficult to wear to the gym<\/strong><br>\u2714\ufe0f <strong>Design preferences vary by person<\/strong><br>\u2714\ufe0f <strong>Almost no recognition overseas<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 My Gear System Now \ud83d\ude06\u2728<br><br><\/h3>\n\n\n\n<!-- flow-point -->\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1714963467738367\" data-ad-slot=\"5283844161\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n\n\n\n<p><br><\/p>\n\n\n\n<p>\u2714\ufe0f <strong>Gym \u2192 Under Armour Compression Set<\/strong><br>\u2714\ufe0f <strong>Jiu-Jitsu &amp; MMA \u2192 Spider Rashguard Full Set<\/strong><br>\u2714\ufe0f <strong>When winter comes? \u2192 Get one more long sleeve \ud83d\ude1d<\/strong><br>\u2714\ufe0f <strong>Planche or lever movements \u2192 Spider for gymnastics too! \ud83d\ude1d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Future Goals \ud83d\ude06\ud83d\udd25<\/h3>\n\n\n\n<p>\u2714\ufe0f Jiu-jitsu transcendent brown belt<br>\u2714\ufe0f Achieve 500 total on the big 3 (by mid-next year)<br>\u2714\ufe0f Successfully perform planche, front or back lever<br>\u2714\ufe0f And&#8230; next gear goal is&#8230;<br><strong>&#8220;Get one of Hayabusa, Venum, or Shoyoroll!&#8221;<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 When I Went to the Gym in Under Armour&#8230; That Legendary Reaction Compilation (Seojun&#8217;s Theory) \ud83d\ude06\u2728<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"769\" src=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Seojun-Appearance-Expert-Beginner-Reaction-Difference-2.webp\" alt=\"\" class=\"wp-image-2335\" srcset=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Seojun-Appearance-Expert-Beginner-Reaction-Difference-2.webp 1024w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Seojun-Appearance-Expert-Beginner-Reaction-Difference-2-300x225.webp 300w, https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/Seojun-Appearance-Expert-Beginner-Reaction-Difference-2-768x577.webp 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Teammates: Hmm&#8230; still the same (fighting)<br>Beginners: Scary&#8230; (who am I?)<\/figcaption><\/figure>\n\n\n\n<p>\u2714\ufe0f <strong>Beginners&#8217; reactions:<\/strong><br>\ud83d\udc49 <strong>&#8220;Whoa&#8230; Under Armour? Is that guy&#8230; a powerhouse&#8230;?&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;Those muscles in Under Armour? &#8230;How much does he lift at the gym&#8230;&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;He&#8217;s slim but&#8230; why does he look so solid&#8230;?&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;What&#8217;s this pressure&#8230;? Doesn&#8217;t seem like the same weight class&#8230;&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;I have to face&#8230; that guy today&#8230;? \ud83d\ude28&#8221;<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<p>\u2714\ufe0f <strong>Teammates&#8217; reactions (inner thoughts lol):<\/strong><br>\ud83d\udc49 <strong>&#8220;Seojun&#8230; wearing Under Armour again lol&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;But his performance lately is insane&#8230;<br>He&#8217;s about to hit 500 on the big 3, right?&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;Just wearing Under Armour&#8230; but what&#8217;s with that physicality pinning people on the mat&#8230;&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;When I&#8217;m losing during sparring&#8230; I feel even more intimidated&#8230;<br>Because&#8230; it&#8217;s the first time someone in Under Armour<br>has dominated like this&#8230; lol&#8221;<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<p>\u2714\ufe0f <strong>Sometimes quietly whispering in the back:<\/strong><br>\ud83d\udc49 <strong>&#8220;Why does that guy still only wear Under Armour&#8230;<br>But&#8230; he&#8217;s scary&#8230;&#8221;<\/strong><br>\ud83d\udc49 <strong>&#8220;That&#8217;s not&#8230; Under Armour, it&#8217;s just&#8230; a power aura&#8230;&#8221;<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Seojun&#8217;s Words \ud83d\ude06\u2764\ufe0f<\/h3>\n\n\n\n<p><strong>&#8220;It&#8217;s not about the gear,<br>it&#8217;s about how hard you train in it<br>and what story you build&#8230;&#8221;<\/strong><\/p>\n\n\n\n<p><strong>I, Seojun,<br>have been doing jiu-jitsu and MMA in Under Armour all this time\u2728<\/strong><\/p>\n\n\n\n<p>But&#8230;<br><strong>Sometimes the joy of buying and wearing clothes you&#8217;ve wanted&#8230;<br>That&#8217;s&#8230; such a precious reward&#8230; \ud83d\ude2d\u2764\ufe0f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\">\n\n\n\n<p><strong>Thank you for reading!<\/strong><br>Seojun is still growing today and tomorrow!<br><strong>Love you all&#8230;!! \ud83d\udc22\u2728 <\/strong><\/p>\n\n\n\n<!-- value-touch -->\n<ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1714963467738367\" data-ad-slot=\"1544334733\" data-ad-format=\"auto\" data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Hello~ I&#8217;m Seojun from Cheongju! \ud83d\ude0aToday I want to share something a bit special.It&#8217;s about&#8230; &#8220;jiu-jitsu rashguards.&#8221; Actually, I&#8217;m writing this because of&#8230; a small incident that happened today.And at the same time&#8230; it&#8217;s also the day a long-held wish of mine came true. \u2705 Jiu-Jitsu Rashguard? What&#8217;s That? When I first started jiu-jitsu, I honestly didn&#8217;t know either.&#8220;I can just wear comfortable workout clothes, right?&#8221; That thought&#8230; was&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7403,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[2147],"tags":[3480,3482,3479,3481,3477,2824,3478,2504],"class_list":["post-7402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-growth-routine","tag-bjj-rashguard","tag-jiu-jitsu-beginner","tag-jiu-jitsu-gear-recommendations","tag-jiu-jitsu-rashguard","tag-mma-wear","tag-seojuns-daily-life","tag-spider-rashguard","tag-under-armour-review"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Honest Jiu-Jitsu Rashguard Review | The Under Armour Disappearance and My First Spider Wear<\/title>\n<meta name=\"description\" content=\"A must-read real review for jiu-jitsu rashguard beginners! From my Under Armour compression experience to the Spider rashguard purchase story, jiu-jitsu gear recommendations, and today&#039;s little gym incident! If you&#039;re struggling to choose a BJJ rashguard, check out Seojun&#039;s honest review \ud83d\ude0a\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sinbidays.com\/en\/bjj-rashguard-review-seojun-story\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Honest Jiu-Jitsu Rashguard Review | The Under Armour Disappearance and My First Spider Wear\" \/>\n<meta property=\"og:description\" content=\"A must-read real review for jiu-jitsu rashguard beginners! From my Under Armour compression experience to the Spider rashguard purchase story, jiu-jitsu gear recommendations, and today&#039;s little gym incident! 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From my Under Armour compression experience to the Spider rashguard purchase story, jiu-jitsu gear recommendations, and today&#039;s little gym incident! If you&#039;re struggling to choose a BJJ rashguard, check out Seojun&#039;s honest review \ud83d\ude0a\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/sinbidays.com\/wp-content\/uploads\/2025\/07\/underarmour-spyder-rashguard.webp\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\uc2e0\ube44\ub370\uc774\uc988\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/\"},\"author\":{\"name\":\"\uc2e0\ube44\ub370\uc774\uc988\",\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/#\\\/schema\\\/person\\\/77ca267d9d8aed879e57503c473c94b9\"},\"headline\":\"\ud83e\udd4b Jiu-Jitsu Rashguard &#8211; From Beginner to Review, Plus Today&#8217;s Little Incident\",\"datePublished\":\"2025-07-01T08:56:39+00:00\",\"dateModified\":\"2026-03-06T11:38:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/\"},\"wordCount\":1049,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/#\\\/schema\\\/person\\\/77ca267d9d8aed879e57503c473c94b9\"},\"image\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sinbidays.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/underarmour-spyder-rashguard.webp\",\"keywords\":[\"BJJ Rashguard\",\"Jiu-Jitsu Beginner\",\"Jiu-Jitsu Gear Recommendations\",\"Jiu-Jitsu Rashguard\",\"MMA Wear\",\"Seojun\u2019s daily life\",\"Spider Rashguard\",\"Under Armour Review\"],\"articleSection\":[\"Growth Routine\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/\",\"url\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/\",\"name\":\"Honest Jiu-Jitsu Rashguard Review | The Under Armour Disappearance and My First Spider Wear\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/sinbidays.com\\\/en\\\/bjj-rashguard-review-seojun-story\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sinbidays.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/underarmour-spyder-rashguard.webp\",\"datePublished\":\"2025-07-01T08:56:39+00:00\",\"dateModified\":\"2026-03-06T11:38:26+00:00\",\"description\":\"A must-read real review for jiu-jitsu rashguard beginners! 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