With full, plush cushioning, the Classic Mountaineer Classic Edition Max Cushion Second Cut(TM) Crew Socks are just right for your long-distance and backpacking hikes. They&';re made with our circular Second Cut(TM) yarn, which blends 50% recycled fibers from our sock take-back program and canister waste with 50% virgin Merino wool to create new socks. The elasticized arch brace offers a secure fit, and the flat knit toe seam helps with in-shoe comfort. No matter how long the hike, keep your feet comfortable with our thickest, warmest wool crew socks. Featuring our 2nd Cut yarn - utilizing a mix of 50% recycled fibers from a combination of our sock take back program, canister waste and 50% virgin Merino wool to create new socks 4 Degree(TM) Elite Fit System offers a performance fit with strategic stretch and mesh zones to promote breathability while helping protect against blisters Made in the USA of Imported Yarn: 41% Wool-Merino 41% Unknown Fiber Content/Mixed Fibers 17% Nylon 1% Elastane Machine Wash Warm, Inside Out Do Not Dry Clean Do Not Iron Tumble Dry Low Do Not Bleach