Darn Tough Womens Socks Hike Trek Light Hiker Micro Crew Lightweight With CushionIf you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles - just a few heavy additions to one of the lightest hike socks out there.Height: Micro CrewWeight: LightweightFeatures: *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.CushionCushion in the Hike/Trek category features terry loops under the foot, and in the taller styles reaches above the ankle for comfort and protection.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. You can learn more about how to wash merino wool socks here.CushionMaterials: 54% Nylon 43% Merino Wool 3% Lycra Spandex