Gore Bike Wear Men's Mountain Bike Thermo Long Socks Ventilation zone under the toes Warm Mountain Bike socks: Knee high Mountain Bike socks made with wool to keep the feet warm on cold rides. Comfortable cuff that doesn' t press into the skin. Anti-stress cuff in Lycra Heavy structure with padded mesh in wool & Lycra for thermal insulation, comfort and protection Foot arch with anti-twist elastic band for extra grip Ventilation zone under the toes Total anatomical padding support in wool & Lycra over the foot and in the front part