Men's ski socks 4F FNK M109 lime 4FWAW23UFSOM109 72S 4F ski socks are perfect for winter activities. The model is made of soft material. Elastic cuffs keep the socks in place during movement and ensure optimal foot ventilation. Reinforcements on toes and heels. Support on the shins, flat seams. Yarn using thermal insulating Thermolite fibers helps maintain optimal temperature while maintaining breathable properties. Material: 80% polyamide, 14% polyester, 6% elastane