The Second Cut(TM) Hike Sock is our most iconic sock-reimagined to reduce waste and reinforce durability. It has the iconic fit and feel of our Classic Edition Hike Sock and features our circular Second Cut(TM) yarn, which is a mix of recycled fibers, canister waste, and virgin Merino wool. These socks not only feel good, but they also do good with every step on the trail. Featuring our 2nd Cut(TM) 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 Virtually Seamless(TM) toe technology is a flat knit toe seam designed for additional comfort Made in the USA of Imported Yarn: 38% Wool-Merino 38% Unknown Fiber Content/Mixed Fibers 23% Nylon 1% Elastane Machine Wash Warm, Inside Out Do Not Dry Clean Do Not Iron Tumble Dry Low Do Not Bleach