Running the full spectrum of comfort, durability and fit, the Prism will put anything in a positive light. Merino Wool Athletic crew socks will bend your perception with their wearabilitywool for training, for hanging, or for anything the four seasons bring your way. Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and our uniqueput it on, forget its onfeel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Merino Wool is fast drying, breathable and odor resistant for all-day comfort. Materials: 56% Nylon 40% Merino Wool 4% Lycra Spandex Height: Crew Weight: Lightweight