Kerrits Kids Ice Fil Tight 81% Nylon, 19% Spandex Made in USA Features Kerrits Ice Fil fabric converts sweat to cooling energy. Convenient side pocket. UPF 50+ sun protection - stay protected while in the sun. Anti-slip Kerrits Sticks pattern sticks, breathes, and stretches helping kids trot on with confidence. Wash cold, tumble dry no heat.