Get out there with the Mountaineer Max Cushion Tall Crew Socks. Featuring Smartwool&';s most advanced Indestructawool technology for enhanced durability, their 4 Degree elite fit system for an unmatched performance fit, and a Virtually Seamless toe for enhanced comfort. Go far and feel good in SmartWool&';s thickest and warmest performance sock. Features Sock Height: Crew Indestructawool(TM) technology with extended durability zones Sock Cushion: Maximum Cushion 4 Degree(TM) elite fit system for a dialed-in, performance-oriented fit Our thickest and warmest performance sock Additional body-mapped mesh zones for added breathability Virtually Seamless(TM) toe for enhanced comfort Comfort welt with &';stay put&'; fit Made in the USA of Imported Yarn: 77% Merino Wool 10% Nylon 12% Recycled Nylon 1% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons. Style: SW001902