The ultimate companion for hot summer hikes. Coolmax® moves moisture away from your skin and dries fast while legendary Darn Tough construction brings comfort, durability, and fit to the trail. Product Details: Performance 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 the skin. Fast-drying. All-Weather Performance: Cool in the summer, warm in the winter. Guaranteed For Life: No strings. No conditions. For life. COOLMAX® is engineered to move moisture away from your skin and dry fast in warm conditions. Height: Micro Crew Weight: Midweight 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. Sustainability – From responsible sourcing practices to livable wages in our communities – Darn Tough Vermont is committed to progressive, positive, growth. Our Unconditional Lifetime Guarantee supports a product we believe will last a lifetime, and very few are needed since they can be worn consecutively due to their lasting comfort, durability, and fit. Materials & Care: Machine 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. Cushion Materials: 39% Nylon 34% Coolmax Polyester 19% Acrylic 5% Polyester 3% Lycra Spandex. Style Number: 1929 Specifications Weight 0.225 lbs Dimensions 8.5 x 3.75 x 1.5 in Size Chart Sock Size Shoe Size Women Women US Men US EU UK S 4.5 – 7 2.5 – 5 35 – 37.5 2.5 – 4.5 M 7.5 – 9.5 5.5 – 7.5 38 – 40.5 5 – 7 L 10 – 11.5 8 – 9.5