Darn Tough Womens Socks Hike Trek Hiker Boot Midweight With Full CushionIf you\'re a serious thru-hiker that\'s miles away from the nearest town, blow outs, blisters and other sock B.S. can be disastrous. That\'s why we built this sock to outperform and over-deliver when you need them most.Height: BootWeight: MidweightFeatures: *Performance Fit: No slipping, no bunching, and no blisters. *Fine Gauge Knitting: Unprecedented durability and their 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. *Guaranteed For Life: No strings. No conditions. For life. *Merino Wool is fast drying, breathable and odor resistant for all-day comfort.Sustainability - From responsible sourcing practices to livable wages in their communities - Darn Tough Vermont is committed to progressive, positive, growth. Their Unconditional Lifetime Guarantee supports a product they believe will last a lifetime, and very few are needed since they can be worn consecutively due to their lasting comfort, durability and fit.Full CushionThe Hike/Trek full cushion socks feature terry loops throughout the entire sock for the ultimate rebound and comfort.Materials and careMachine wash in warm water on gentle cycle with socks inside-out. Do not bleach. Tumble dry on low or hang dry. Do not dry clean.Full CushionMaterials: 69% Merino Wool, 27% Nylon, 4% Lycra Spandex