Kerrits Kids Ice Fil Tight 81% Nylon, 19% Spandex Made in USA Ice Fil pant fabric converts sweat to refrigerant; lowering your skin temp, cooling you from the bottom up Anti-slip Kerrit Sticks line the inner leg and seat, with an equal ratio of stretch, grip and breathability Two convenient side pockets UPF 50+ sun protection Wash cold, tumble dry no heat