Darn Tough Men’s Mountaineering Hiking Socks stuff feet inside the warmest, micro-crew-height sock the Vermont mill makes—heavyweight Merino-wool blend with full cushioning that insulates at -20 °F, wicks sweat on steep boot-packs, and never slips or bunches inside mountaineering boots; True Seamless™ construction and a reinforced Achilles panel eliminate hot spots when you’re front-pointing on ice—ideal for men who need bomb-proof, lifetime-guaranteed warmth for sub-zero hiking, mountaineering, or ice-climbing.
Features:
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Heavyweight 64 % Merino / 33 % nylon / 3 % Lycra blend insulates when wet
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Full-density cushioning from toe to cuff for -20 °F warmth
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Micro-crew height (8 in) sits just below the calf muscle to prevent boot rub
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True Seamless™ toe eliminates bunching inside tight mountaineering boots
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Reinforced Achilles and heel panels add durability on crampon straps
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Lifetime guarantee—if you wear a hole, Darn Tough replaces them free
Common Q&A’s:
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Are these socks too thick for summer hikes?
Heavyweight pile is designed for sub-zero temps; swap to a lighter Darn Tough model above 40 °F.
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Will they slip down inside ski boots?
Memory-knit Lycra keeps the cuff locked at 8 in; no sagging on long climbs or descents.
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Do they fit true to shoe size?
Order your normal shoe size; Merino relaxes slightly after first wash for a custom fit.