Ships in 1-2 business days | Based in Vermont | Est. 1978 Darn Tough&';s Light Hiker Sock is one of the lightest hiking socks out there. With increased breathability with mesh panels on top of the foot, a smooth ribbing upper that stays put forever, and extended cushion over the Achilles, it&';s one of the toughest lightweight socks out there. Features: Performance fit: No slipping, no bunching, and no blisters Fine gauge knitting: Unprecedented durability and Darn Tough&';s 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 Unconditionally guaranteed for life: No strings. No conditions. For life. Merino wool is fast drying, breathable, and odor-resistant for all-day comfort Reinforced Achilles cushion improves the comfort and helps these socks last longer True Seamless(TM) Toe technology for ultra-smooth, undetectable feel Lightweight socks breathe naturally and deliver flexible, all-day comfort for summer hiking _______________________________________________ Specs Height: Micro Crew Weight: Lightweight Sizing: Size Women&';s EU Small 4.5-7 35 - 38 Medium 7.5-9.5 38 - 40 Large 10-11.5 41 - 42 Materials: 43% Merino Wool, 54% Nylon, 3% Lycra Spandex Made in the U.S.A. _______________________________________________ Wash and Care: Machine wash in warm water on a gentle cycle with socks inside out. Do not bleach. Tumble dry on low or hang dry. Do not dry clean.