Designed to wick moisture away while providing greater comfort in high-stress areas, these men’s SmartWool running socks make the most of every mile. 1½" height. 54% merino wool, 42% nylon, 4% elastane. Indestructawool technology, a wool-based yarn construction that provides even more durability. Machine wash and dry. Strategically placed mesh ventilation zones for moisture management. Support from the 4 Degree Elite Fit System, uses two elastics for greater stretch and recovery. Non-cushioned. USA, components imported.