Smartwool Hike Classic Edition Full Cushion 2nd Cut Crew Socks Medium Gray Small. They're made out of old hike socks. Yep our Hike Classic Edition Full Cushion 2nd Cut Crew Socks are made with a mix of recycled fibers canister waste and virgin Merino wool for a pair that feels good and does good with every step. Plus the full cushioning helps add extra warmth durability and protection making them the perfect pick for colder weather hikes. Specifications for Smartwool Hike Classic Edition Full Cushion 2nd Cut Crew Socks: Manufacturer: Smartwool Gender: Unisex Age Group: Adults Footwear Type: Socks Features of Smartwool Hike Classic Edition Full Cushion 2nd Cut Crew Socks Featuring our 2nd Cut yarn utilizing a mix of 50percent recycled fibers from a combination of our sock take back program canister waste and 50percent virgin Merino wool to create new socks Virtually Seamless toe technology is a flat knit toe seam designed for additional comfort Package Contents: Smartwool Hike Classic Edition Full Cushion 2nd Cut Crew Socks Smartwool SW002786052100S000: Hike Classic Edition Full Cushion 2nd Cut Crew Socks Medium Gray Small