These hike socks? They're made out of old hike socks. Plus, the full cushioning helps add extra warmth, durability, and protection, making them the perfect pick for colder weather hikes.

• Featuring Smartwool's 2nd Cut™ yarn – utilizing a mix of 50% recycled fibers from a combination of their sock take back program, canister waste and 50% virgin Merino wool to create new socks
• Virtually Seamless™ toe technology is a flat knit toe seam designed for additional comfort
• Made in United States Of America: 41% Wool-Merino 32% Unknown Fiber Content/Mixed Fibers 26% Nylon 1% Elastane