{"product_id":"copper-collar-5k-2026-t-shirt","title":"Copper Collar 5k 2026 T-shirt","description":"Can't make it to the starting line? You can still be part of the mission.\u003cbr\u003e\n\u003cbr\u003e\nThe Copper Collar 5K Commemorative T-Shirt honors the proud legacy of America's Navy divers and celebrates our nation's 250th Birthday. Featuring a striking vintage diving helmet emerging from the sea beneath a distressed American flag, this exclusive design captures the spirit of courage, service, and maritime heritage that inspired the Copper Collar 5K.\u003cbr\u003e\n\u003cbr\u003e\nWhether you're a former diver, active-duty service member, veteran, military supporter, maritime history enthusiast, or friend of the Man in the Sea Museum, this shirt is a great way to show your support even if you can't attend the event in person.\u003cbr\u003e\n\u003cbr\u003e\nEvery shirt helps support the mission of the Man in the Sea Museum: preserving diving history, inspiring future generations through STEM education, and honoring the pioneers who pushed the limits beneath the sea.\u003cbr\u003e\n\u003cbr\u003e\nIt's made of 100% ring-spun cotton and is soft and comfy. The double stitching on the neckline and sleeves add more durability to what is sure to be a favorite!  \u003cbr\u003e\n\u003cbr\u003e\n• 100% ring-spun cotton\u003cbr\u003e\n• Sport Grey is 90% ring-spun cotton, 10% polyester\u003cbr\u003e\n• Dark Heather \u0026amp; Heather colors are 65% polyester, 35% cotton\u003cbr\u003e\n• Graphite Heather is 50% polyester, 50% cotton\u003cbr\u003e\n• 4.5 oz\/yd² (153 g\/m²)\u003cbr\u003e\n• Shoulder-to-shoulder taping\u003cbr\u003e\n• Quarter-turned to avoid crease down the center\u003cbr\u003e\n• Blank product sourced from Bangladesh, Nicaragua, Honduras, Dominican Republic, Haiti or Guatemala\u003cbr\u003e\n\u003cbr\u003e\nDisclaimer: Due to the fabric properties, the White color variant may appear off-white rather than bright white.\u003cp\u003e\u003cstrong class=\"size-guide-title\"\u003eSize guide\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"table-responsive dynamic\" data-unit-system=\"imperial\"\u003e\u003ctable 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