Breathe ON in a soft, breathable stretch knit that feels great for all kinds of moves. Crew neck. Long sleeves. Breathable lightweight jersey lets him vent. Engineered with Built-In Flex stretch technology. Equal parts comfort & movement. Go-Dry Cool wicking technology helps keep him cool, dry & comfortable. Tag-free label and pieced trim inside neck for added comfort & durability. Relaxed fit through body. Boys long-sleeve performance t-shirt hits below waist. Machine wash cold, tumble dry low. spandex 5% polyester 95%