Darn Tough Mountaineering Micro Crew Heavyweight with Full Cushion Smoke

"Sleet, freezing rain, sub-zero wind chills, snow? More please. Our Mountaineering sock never heads for shelter. If you're out there, this sock wants to be with you.

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: The ultimate fiber for breathability and comfort in all conditions.

Extra Cushion: Our thickest, burliest and highest density cushioning makes for a big, bad monster of a sock.

Micro Crew Height: A shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot.

70% Merino Wool 28% Nylon 2% Lycra Spandex

Size Guide

SMALL: Mens 5.5-7.5; Womens 7.5-9.5

MEDIUM: Mens 8-9.5; Womens 10-11.5

LARGE: Mens 10-12; Womens N/A

XLARGE: Mens 12.5-14.5; Womens N/A"