Smartwool Hike Targeted Cushion Crew Socks - Men's Fossil Extra Large. Feel precise cushioning where you need it most with a 4 Degree elite fit system for a dialed-in performance-oriented fit plus Indestructawool technology for added durability. Breathable mesh zones help keep your feet feeling good while the comfort welt makes sure these socks never slip in your boots. Specifications for Smartwool Hike Targeted Cushion Crew Socks - Men's: Manufacturer: Smartwool Gender: Male Age Group: Adults Sock Height: Crew Footwear Type: Socks Activity: Hiking Seasonal/Temperature Use: Winter Fabric/Material: 54percent Merino Wool 43percent Nylon 3percent Elastane Features of Smartwool Hike Targeted Cushion Crew Socks - Men's 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 breathability Virtually Seamless Toe for enhanced comfort Comfort welt with 'stay put' fit Mesh zones for added breathability Package Contents: Smartwool Hike Targeted Cushion Crew Socks - Men's Smartwool SW00249288010XL000: Hike Targeted Cushion Crew Socks - Men's Fossil Extra Large