Durable, crew-length merino wool socks that are stretchy, breathable, and naturally odor-resistant with full cushion, the Hike+ Light Crew Natural Summit socks feature an anatomical sculpted design for day hikes and backpacking trips. Anatomical fit, thermal regulation, odor resistant Anatomically sculptured, fully cushioned hike sock 61% Wool, 37% Nylon, 2% Elastane     Care:  Machine wash cold. Wash with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Cool iron. Dry cleanable.