■ Product Name / Injinji Outdoor Midweight Crew Wool ■ Uses / Trail running, running, walking, trekking, track and field, multi-sports ■ Materials / 43% Merino Wool, 43% Acrylic, 12% Nylon, 2% Polyurethane The Injinji Outdoor series is a five-toe sock perfect for trekking. Made with Australian Merino wool NUWOOL, it has natural moisture-regulating properties to protect against odor and humidity. The mesh top, moisture-wicking and quick-drying fabric, arch support, and seamless five-toe design protect your toes from blisters. Runners who suffer from blisters, sweatiness, or chafing should try these non-slip, bare-foot feeling five-toe socks for a step up in comfort. Gender...Unisex