It does have the USSSA stamp on it

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Material: 100% Polyester Boyfriend fit top Gear up to go watch the next Jacksonville Jaguars game with this sweet First Team three-quarter sleeve T-shirt

Dri-FIT technology wicks away moisture Material: 65% Cotton/35% Polyester Screen print graphics

The bioceramic fabric has been engineered to provide natural compounds that emit far-infrared therapy directly from the fabric

New Nike Kids Boy's Dry Short Sleeve Training T-Shirt Royal /White Medium Medium:Blue/White It does have the USSSAThe big kids' Nike Dri FIT Swoosh T shirt helps kids stay dry and comfortable during practice and play. The sweat wicking technology keeps kids cool so they can focus on the game longer. Regular fit with room for mobility. Tagless for comfortable wear. Dri FIT technology wicks away moisture. Fabric: 100% polyester. Machine wash. Imported.