Description of Wigwam Chaser Pro Ski Socks Formerly known as: Ultimax® Youth Performance Snowsports A youth-sized version of the most versatile ski sock made. Dense, yet lightweight cushioning pads the foot. Jersey leg allows for perfect boot fit. Features: 40% X2O™ Acrylic, 33% Olefin, 25% Stretch Nylon, 2% Lycra® Spandex