DETAILS The sock that made a name for itself from the Pacific Crest Trail to the AT. "Must pack" durability meets undeniable comfort in a Full Cushion sock that absorbs the rigors of the trail. Height: BootWeight: MidweightPair with: Hiking boots, backpacking boots, heavy backpacks FEATURES 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 skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Naturally Antimicrobial: Repels bacteria and odor. Guaranteed For Life: No strings. No conditions. For life. Merino Wool is fast drying, breathable and odor resistant for all-day comfort. True Seamless(TM): Undetectable seam fusion for an ultra smooth, invisible feel. SPECS Our no-show socks are the toughest sock you will never see. When your shoes are on this sock is gone. 54% Nylon 43% Merino Wool 3% LycraA(R) Spandex The versatile lightweight yarns in the Hike/Trek category maintain a low profile in modern trail footwear and proper performance on multi-day trips. CUSHIONING DETAILS CUSHION Cushion in the Hike/Trek category features terry loops under the foot reaching above the ankle for comfort and protection.