Merino wool winter socks, ideal for multi-day trips, winter mountain biking or road riding, and even daily commuting. The perfect blend of merino wool and synthetic fibers for optimal thermoregulation and breathability: Mavic has found the perfect balance to make the most of the properties of each yarn: Merino wool promotes thermoregulation, even when wet, and is naturally antibacterial. Polyamide promotes abrasion resistance, perfect sock fit over time and breathability. Acrylic yarn gives the sock a soft feel. Odor-resistant: Wool yarn contains fatty acids that inhibit the growth of mold and bacteria. It is naturally antibacterial, which helps limit unpleasant odorsDETAILS: Extended ventilation zone Reinforced toe and heel Composition: 45% PA 25% MERINO 25% PC 5% EA