{"id":11826,"date":"2026-08-07T16:09:31","date_gmt":"2026-08-07T14:09:31","guid":{"rendered":"https:\/\/www.athletesonthemat.com\/?page_id=11826"},"modified":"2026-08-16T23:22:24","modified_gmt":"2026-08-16T21:22:24","slug":"guides","status":"publish","type":"page","link":"https:\/\/www.athletesonthemat.com\/en\/guides\/","title":{"rendered":"Our BJJ gi guides"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Our BJJ gi guides<\/h1>\n\n\n<p class=\"wp-block-paragraph\">Choosing a Brazilian jiu-jitsu gi means answering four questions in order: which size, which fabric density, which constraints if you compete, and how to make it last. Our <strong>BJJ gi guides<\/strong> deal with each of these questions separately, with the figures and the sources. They are written by a brand that makes gis, not by an affiliate site.<\/p>\n\n\n<div class=\"wp-block-group athom-cle is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><strong>Where to start:<\/strong> if you are buying your first gi, read the size guide then the fabric weight guide. If you are preparing for a competition, go straight to the IBJJF rules, then come back to fabric weight for the question of weight on the scale.<\/p>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Choosing your gi<\/h2>\n\n\n<div class=\"wp-block-columns athom-cartes is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"badge has-small-font-size wp-block-paragraph\">BEFORE YOU BUY<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/bjj-gi-size-chart\/\">BJJ gi size chart<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Sizes A0 to A6 match no ordinary clothing size. Real garment measurements, women&#8217;s cuts, and what to do when you fall between two sizes.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/bjj-gi-size-chart\/\"><strong>Find my size \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"badge has-small-font-size wp-block-paragraph\">UNDERSTAND<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/bjj-gi-weight\/\">Fabric weight and weave: GSM, pearl weave, ripstop<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">What GSM really measures, the difference between pearl, gold, diamond and double weave, and which density to choose for your training rhythm.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/bjj-gi-weight\/\"><strong>Understand gi weight \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"badge has-small-font-size wp-block-paragraph\">COMPETITION<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/guides\/ibjjf-gi-rules\/\">IBJJF rules: what your gi has to meet<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Permitted fabric weights, fabric construction, collar and sleeve measurements, patch placement, allowed colours. The detail of the official manual, in plain English.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/guides\/ibjjf-gi-rules\/\"><strong>Check my compliance \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"badge has-small-font-size wp-block-paragraph\">MAKE IT LAST<\/p>\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/how-to-wash-a-bjj-gi\/\">Washing and caring for your gi<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Temperature, drying, stubborn smells, shrinkage. The habits that take a gi from two to five years on the mat.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/how-to-wash-a-bjj-gi\/\"><strong>Read the care advice \u2192<\/strong><\/a><\/p>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Moving on to the gear<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Once the theory is settled, our gis are sorted by fabric weight and by approval. Models allowed in competition carry the IBJJF label on their product page, and every product page shows the weight of the gi size by size, the figure competitors look for before a weigh-in.<\/p>\n\n\n<div class=\"wp-block-columns athom-cartes is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-kimonos-gis\/\">All our BJJ gis<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Jackets from 380 to 450 GSM, pearl weave, pre-shrunk cotton. Sizes A0 to A4 and women&#8217;s cuts F1 to F4.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-kimonos-gis\/\"><strong>See the collection \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-kimonos-gis\/ibjjf-approved-gis\/\">IBJJF approved gis<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">The selection of models allowed in official competition, in the three permitted colours.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-kimonos-gis\/ibjjf-approved-gis\/\"><strong>See the approved models \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-belts\/\">Belts<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">Every rank colour, 4 to 5 cm wide, compliant with competition requirements.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/brazilian-jiu-jitsu\/bjj-belts\/\"><strong>See the belts \u2192<\/strong><\/a><\/p>\n<\/div>\n\n\n<div class=\"wp-block-column carte is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/grappling-mma-en\/bjj-rashguards\/\">Rash guards and no-gi<\/a><\/h3>\n\n\n<p class=\"wp-block-paragraph\">For training without a gi: rash guards, grappling shorts and related gear.<\/p>\n\n\n<p class=\"go wp-block-paragraph\"><a href=\"https:\/\/www.athletesonthemat.com\/en\/grappling-mma-en\/bjj-rashguards\/\"><strong>See the no-gi range \u2192<\/strong><\/a><\/p>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">A question that is not covered here?<\/h2>\n\n\n<p class=\"wp-block-paragraph\">These guides grow month after month. Other subjects are in preparation: the beginner&#8217;s first gi, women&#8217;s cuts, managing weight for competition, choosing a rash guard and the service life of a gi. Shorter articles and brand news are on the <a href=\"https:\/\/www.athletesonthemat.com\/en\/blog\/\">ATHOM blog<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">If you are looking for a specific answer before ordering, in particular about a size, <a href=\"https:\/\/www.athletesonthemat.com\/en\/contact-us\/\">write to us<\/a> with your height and your weight. We reply the same day.<\/p>\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"CollectionPage\",\n  \"inLanguage\": \"en\",\n  \"name\": \"BJJ gi guides\",\n  \"description\": \"The ATHOM guides for choosing, understanding and caring for a Brazilian jiu-jitsu gi.\",\n  \"url\": \"https:\/\/www.athletesonthemat.com\/en\/guides\/\",\n  \"mainEntity\": {\n    \"@type\": \"ItemList\",\n    \"itemListElement\": [\n      { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"BJJ gi size chart\", \"url\": \"https:\/\/www.athletesonthemat.com\/en\/guides\/bjj-gi-size-chart\/\" },\n      { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"BJJ gi weight and weave\", \"url\": \"https:\/\/www.athletesonthemat.com\/en\/guides\/bjj-gi-weight\/\" },\n      { \"@type\": \"ListItem\", \"position\": 3, \"name\": \"IBJJF gi rules\", \"url\": \"https:\/\/www.athletesonthemat.com\/en\/guides\/ibjjf-gi-rules\/\" },\n      { \"@type\": \"ListItem\", \"position\": 4, \"name\": \"Washing and caring for your BJJ gi\", \"url\": \"https:\/\/www.athletesonthemat.com\/en\/bjj-gi-care\/\" }\n    ]\n  }\n}\n<\/script>\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"BreadcrumbList\",\n  \"itemListElement\": [\n    { \"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.athletesonthemat.com\/en\/\" },\n    { \"@type\": \"ListItem\", \"position\": 2, \"name\": \"Guides\", \"item\": \"https:\/\/www.athletesonthemat.com\/en\/guides\/\" }\n  ]\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Our BJJ gi guides Choosing a Brazilian jiu-jitsu gi means answering four questions in order: which size, which fabric density, which constraints if you compete, and how to make it last. Our BJJ gi guides deal with each of these questions separately, with the figures and the sources. They are written by a brand that [&#8230;]\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-11826","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/pages\/11826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/comments?post=11826"}],"version-history":[{"count":1,"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/pages\/11826\/revisions"}],"predecessor-version":[{"id":11827,"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/pages\/11826\/revisions\/11827"}],"wp:attachment":[{"href":"https:\/\/www.athletesonthemat.com\/en\/wp-json\/wp\/v2\/media?parent=11826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}