From the AT to the Pacific Crest Trail, the "1466" Hiker raised the bar on what the ultimate hiking sock needs to deliver. Each year Darn Tough hears from countless thru-hikers that this rugged sock is the only option that truly takes on the rigors of the trail. Discover the trail legend for yourself. Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and our uniqueput it on, forget its onfeel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Merino Wool is fast drying, breathable and odor resistant for all-day comfort. Height: Micro Crew Weight: Midweight Materials: 61% Merino Wool, 36% Nylon, 3% Lycra Spandex