SW001902 Smartwool Mountaineer Max Cushion Tall Crew Get out there with the Mountaineer Max Cushion Tall Crew Socks. Featuring the most advanced Indestructawool technology for enhanced durability, our 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. Height: Crew Cushion: Maximum Cushion Smartwool's thickest and warmest performance sock Indestructawool technology with extended durability zones 4 Degree elite fit system for a dialed-in, performance-oriented fit Additional body-mapped mesh zones for added breathabilit Virtually Seamless toe for enhanced comfort Comfort welt with 'stay put' fit Knit in USA of Imported Yarn Fabric 77% Merino Wool / 12% Recycled Nylon / 10% Nylon / 1% Elastane Specific percentage of Recycled Nylon will vary as Smartwool transitions to 100% Recycled Nylon in future seasons. Product Care Machine Wash Warm, Inside Out Tumble Dry Low Do Not: Dry Clean, Bleach or Iron