Icebreaker Men's Lifestyle Lite Crew 61% Wool/ 37% Nylon/ 2% Lycra Elastane Imported Soft and breathable Lightweight half cushioned lifestyle sock Crew height Achilles support keeps your sock in place Reinforced Heel and toes for durability and strength Instep support for stability WARM, lightweight 1/2 cushioned Lifestyle sock with double-up cushioning for comfort