Only Under Armours Boys Kick Off Shorts keep up with their active style. These awesome Under Armour shorts for kids sport 100% polyester double-knit fabric for a soft, stretchy feel and all the durability of adult Under Armour clothes. Perfect for practice, training, or sporty style anytime. Machine wash. Imported. Sizes: 2T-4T, 4-7. Colors: Carbon Heather, Ether Blue. Type: Shorts.