Built to withstand the rigors of the trail and come away smiling on a layer of cushioned comfort. This humble sock has earned a hallowed place in the hearts of many a discerning thru-hiker. Discover the trail legend for yourself.Features - Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and our unique “put it on, forget it’s on” feel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Naturally Antimicrobial: Repels bacteria and odor. Guaranteed For Life: No strings. No conditions. For life. Merino Wool: The ultimate fiber for breathability and comfort in all conditions. True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel. More... Performance fit Made with Merino wool True Seamless is an undetectable seam Naturally Antimicrobial materials Wicking performance keeps you dry and comfortable