Fox River Grenoble Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock - Men's Charcoal/Yellow Medium. What could be better? Moisture-managing fibers that keep feet dry warm and comfortable. Specifications for Fox River Grenoble Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock - Men's: Manufacturer: Fox River Footwear Type: Socks Features of Fox River Grenoble Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock - Men's Anatomically designed to better fit each foot (L/R) Memory-knit construction keeps shape wash after wash Reinforced toe and heel add durability and longer sock life Smooth flat comfort toe seam Package Contents: Fox River Grenoble Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock - Men's Fox River 197712: Grenoble Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock - Men's Charcoal/Yellow Medium