Under Armour Elevated Performance Crew maximizes fit and comfort for any workout or run with strategic cushioning in high impact areas of the foot. Ventilation channels allow breathability and flexibility. 90% Polyester, 7% Nylon, 3% Spandex Imported Pull On closure Machine Wash Shoe Size: Men 8.5-13, Women 10-14 Medium cushioning placed strategically throughout toe, foot, arch and heel protects high impact areas without added bulk Mesh ventilation across top of foot for ultimate breathability Seamless toe delivers superior comfort and reduced irritation Strategic arch support reduces foot fatigue Fitted heel contours around your foot for a better fit Left/right specific fit Material wicks sweat and dries fast