The Smartwool Burgee Crew is an ultra light cushion which mixes fun designs, bright colors and a fit to keep you comfortable. It features a unique style while staying comfortable in ultra-soft Merino wool. The non-cushioned men's sock provides maximum performance in close-fitting shoes. It features Virtually Seamless™ toe. The sock is made using imported yarns featuring 52% Merino Wool, 46% Nylon, and 2% Elastane. All Smartwool socks are proudly made in the USA, and carry a lifetime guarantee.