Decorated with cobalt peaks and spun with Merino wool, these mid-calf socks are designed to keep you warm and feeling fresh. Crew: A classic sock height that hits the mid-point of your lower leg. Medium Cushioning: Moderate cushioning throughout the sock for a secure fit with enhanced impact protection. Boot Protection: Boot Protection complements your climb with strategically-placed cushioning. Performance Arch Support: Performance Arch Support fights off strain and fatigue to keep you moving. Performance Cushioning: Performance Cushioning combines impact protection with comfort to keep you pushing.