The wilson spring striped crew boys t shirt is great for boys who want to train in comfort all day long this stylish tee with a fading stripes design offers great moisture management thanks to nanowik technology and to protect you from harmful sun rays it has nanouv fabric the set in style sleeves prevent binding and chaffing and the t shirt uses amplicool technology which activates when a player sweats and ensures a cooling effect the tee is made of polyester 88 and spandex 12 to g