Bauer Premium Performance Skate Sock utilizes a 61% Nylon / 37% Polyester / 2% Spandex construction. Features the revolutionary 37.5™ technology to maximize evaporation of moisture. Sanitized® odor resistant treatment. Knit in arch support and targeted mesh ventilation zones for additional comfort. Strategic double wall construction at ankle area to minimize skate and lace bite. Unique Y-seam construction at toe area to improve fit and eliminate bunching inside the toe box.