The Darn Tough Sobo Micro Crew Lightweight Sock with Cushion is the perfect addition for any outdoor enthusiast, featuring a thin layer of cushioning along the base of your feet for extra comfort and protection. The True Seamless technology ensures an ultra-smooth, invisible feel, while the lightweight construction and Micro Crew Height provide optimal performance. Crafted with merino wool, nylon and lycra spandex, this sock offers fast action wicking to keep you cool in the summer and warm in the winter. Plus, every pair of socks is guaranteed for life by Darn Tough - if they wear or tear over time, they will be replaced at no additional cost. These premium all weather performance socks are made in the USA in Northfield, Vermont.