The Under Armour Kids Dimension Core Short Sleeve Set is the perfect everyday outfit for busy days packed with fun, adventure, and all-out play. Designed with a regular fit, the supersoft short-sleeve tee keeps kids feeling cool, dry, and comfortable from morning activities to evening wind-downs. The classic crew neck and straight hem create an easy, laid-back style that pairs perfectly with the active poly performance shorts. Featuring a flat front design, mid-rise fit, and an elasticized waistband, the shorts offer flexible comfort and effortless mobility for running, jumping, and everything in between. 50% cotton, 50% polyester. Machine washable.