evo.com | Smartwool Activewear Socks > Crew 4 Degree(TM) Elite Fit System For a dialed, performance-oriented fit with flex zone at ankle joint. Indestructawool(TM) Indestructawool(TM) technology features a patent-pending construction method for exceptional durability and comfort. Targeted Cushion Cushioning in specific places depending on activity. Typically on the ball of the foot and the heel. 51% Merino Wool / 43% Nylon / 3% Elastane / 3% Polyester | Women's Smartwool Hike Targeted Cushion Mountain Lake Print Crew Socks 2026 - Medium Blue | Nylon/Wool/Elastane