The Endeavor is an all terrain sock that any outdoor enthusiast can appreciate. This mini-cut, mid-cushioned multi-sport sock provides just enough ankle coverage and breathability to keep you cool. Merrell E.W.E. Technology combines Coolmax and New Wool to keep your foot cool and dry. Women’s specific fit. Lightweight for low volume footwear. Large over the foot mesh panels for maximum ventilation. Reinforced heel and toe for durability. Additional cushioning under the foot for optimal comfort. Fabric is 30% nylon / 28% Coolmax / 20% Merino wool / 20% Duraline / 2% Lycra.