The Ski Medium provides excellent thermoregulation for your feet (84% merino wool), along with a perfect fit on the legs and effective protection for sensitive areas (ankle, shin, heel, and toe). Recommended by the Compagnie des Guides de Chamonix.Designed with a medium thickness, the Medium will offer you a certain level of comfort. It will provide softness and cushioning, while ensuring optimal protection against friction, blisters, and redness.The main advantage of this sock is its composition: With 84% wool, you will stay warm for a long time.84%: Wool8%: Polyamide8%: Elastane