{"rewrite":{"id":"r_8a7a96f9b84f92561325a0f8","clusterId":"c_9bd5d653a1d70209fed50053","slug":"baki-hanma-x-heattrap-collaboration-sauna-shirt-launches-for-35th-anniversary","model":"deepseek-v4-flash","headline":"Baki Hanma x HEATTRAP Collaboration Sauna Shirt Launches for 35th Anniversary","summary":"A limited-edition sauna shirt collaboration between Baki Hanma and sportswear brand HEATTRAP went on sale July 7, 2026, to mark the manga's 35th anniversary. The shirt, which the brand calls a wearable sauna, features three front designs with a shared demon face on the back. It is priced at 8,778 yen and available in sizes M through 2XL.","whyItMatters":"The crossover ties the franchise's decades-long endurance to a merchandise item that literalizes the series theme of extreme physical exertion.","webCardHtml":"\u003cp\u003eHEATTRAP\u0026#39;s sauna shirt, a garment designed to trap body heat and induce heavy sweating, now carries Baki Hanma imagery. The collaboration is timed to the 35th anniversary of the original Baki manga, which began serialization in Weekly Shonen Champion in 1991. The shirt uses the brand\u0026#39;s proprietary fabric blend of polyester and spandex and comes in four sizes. All three front variants share a common back print: a demon face. The item is sold exclusively through HEATTRAP\u0026#39;s official online store.\u003c/p\u003e","blueskyPost":"Baki Hanma x HEATTRAP: a sauna shirt that promises 'ogre class' sweat volume. On sale now for the manga's 35th anniversary. 8,778 yen, three designs, one demon back.","twitterPost":"Baki Hanma x HEATTRAP collab sauna shirt is out now. Labels itself a 'wearable sauna' with ogre-class sweat. 35th anniversary item, 8,778 yen, three front designs with shared demon back.","threadsPost":null,"newsletterBlurb":"The Baki Hanma x HEATTRAP collaboration sauna shirt went on sale July 7 to celebrate the manga's 35th anniversary. The shirt is marketed as a wearable sauna and features three front designs with a demon-face back print. It costs 8,778 yen and is available in sizes M through 2XL.","attributionJson":"[{\"source\":\"Anime Anime\",\"url\":\"https://animeanime.jp/article/2026/07/07/100801.html\",\"title\":\"\\\"Baki Hanma\\\" \\\"If you want to get strong, wear it!!!\\\" Sauna shirt with \\\"Demon's Face\\\" back design!? Collaboration with HEATTRAP\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4380,"outputTokens":1158,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783422296,"createdAt":"2026-07-07T11:00:14.000Z","publishedAt":"2026-07-07T11:03:32.000Z","updatedAt":"2026-07-07T11:00:14.000Z"},"cluster":{"id":"c_9bd5d653a1d70209fed50053","canonicalTitle":"「範馬刃牙」強くなりたくば着ろ!!! “鬼の貌”が背面デザイン!?のサウナシャツ登場 「HEATTRAP」コラボ","representativeArticleId":"a_cf80e0a92545a34deb2f4be2","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[\"Baki Hanma\"],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"figures\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-07T08:45:03.000Z","lastSeenAt":"2026-07-07T08:45:03.000Z","updatedAt":"2026-07-07T11:03:32.000Z"},"attribution":[{"source":"Anime Anime","url":"https://animeanime.jp/article/2026/07/07/100801.html","title":"「範馬刃牙」強くなりたくば着ろ!!! “鬼の貌”が背面デザイン!?のサウナシャツ登場 「HEATTRAP」コラボ"}],"entities":{"anime_titles":["Baki Hanma"],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"figures","is_roundup":false},"keyFacts":null}