Pull On closure ?88% Polyester 12% Spandex construction-durable and comfortable, these boys girls compression shirts and pants keep cold air away from children body and not lose away. ?Four Way Stretch fabric wicks moisture and dries quickly. The base layer sets allows greater mobility in any direction. Great for under clothes for basketball play or as pajamas. ?Flatlocked seams ? reduces friction build up to avoid irritation. These compression leggings will give your kids a snug feel. These short sleeve sets compression fit improves blood flow and oxygen supply. ?Reflective stripe on the foot increase visibility. Perfect athletic shirts and pants for Boys Girls in Football, basketball, skiing, snowboarding, Hockey, Tubing, Running ect. ?Kindly Noted: 4 Pcs Suit will run small please one size up when ordering. Tesuwel prides itself in giving you the latest styling and superior quality at prices that won??t break the bank. Grab yourself the best thermal underwear for boys girls in a choice of classic color at the best price around. Click ??Add to Cart? now!