Our Via Ferrata Micro Crew is a perfect addition to any hiker's quiver of socks. Strong as steel but soft to the touch. Cushioning under foot delivers the ultimate level of comfort from peak to peak.  Darn Tough Via Ferrata Micro Crew Cushion Sock FeaturesPerformance 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. Cushion: Mid-level cushion density under foot. A warm and ultra-comfortable choice when conditions demand it. Micro Crew Height: A shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot. 62% Merino Wool, 35% Nylon, 3% Lycra® Spandex