Details The Darn Tough Willoughby Micro Crew Lightweight Hiking Sock Men's might be named after Vermont's most insta-spammable lake, but the real influencers are the sure-footed critters paddling across its buttery-soft, ribbed cuff. Dip into these lightweight Micro Crew height socks, knit with climate-controlling Merino Wool and cozy cushion underfoot, and you'll be trekking on without fear of the dreaded swamp-foot that can lead to blisters. Material 53% Nylon, 44% Merino Wool, 3% Spandex Lycra Merino Wool is fast drying, breathable and odor resistant for all-day comfort. Fast Action Wicking pulls moisture away from skin and dries swiftly. Length Men's Micro Crew 8.5" (22cm) Heel to Cuff Details Performance Fit No slipping, no bunching, and no blisters. Fine Gauge Knitting Unprecedented durability and DT's unique "put it on, forget it's on" feel. All Weather Performance Cool in the summer, warm in the winter. Sustainability From responsible sourcing practices to livable wages in the community, Darn Tough Vermont is committed to progressive, positive, growth. Their Unconditional Lifetime Guarantee supports a product you can believe will last a lifetime, and very few are needed since they can be worn consecutively due to their lasting comfort, durability and fit. Unconditionally Guaranteed for Life If these aren't the longest lasting socks you've ever owned, you can return them to the manufacturer for another pair. No receipt needed, just the pair in question. No strings. No conditions. For life. Yes, really. Weight Lightweight The most versatile weight found in practically every sock category. When accompanied with cushion, it is considered the most sublime combination Darn Tough knits. Cushion Cushion in the Hike/Trek category features terry loops under the foot, and in the taller styles reaches above the ankle for comfort and protection. Terry loops underfoot and other areas of the sock, but does not wrap the foot. Darn Tough's most popular, versatile cushion style. Darn Tough Willoughby Micro Crew Lightweight Cushion Hiking Sock Men's