This Micro Crew has earned a hallowed place in the hearts of many a through-hiker who demand more from a sock. Comfort, durability and fit that never rests. 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. Guaranteed For Life: No strings. No conditions. For life. Merino Wool is fast drying, breathable and odor resistant for all-day comfort. True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel. SPECSThe micro crew is a shorter, more concise take on the traditional crew height. Peeks just above the top of a standard hiking boot.59% Merino Wool, 39% Nylon, 2% Lycra® SpandexAdditional warmth and protection are the signature characteristics of midweight yarns in the Hike/Trek category. CUSHIONCushion in the Hike/Trek category features terry loops under the foot, and in the taller styles reaches above the ankle for comfort and protection. Sock Size Shoe SizeWomen Women US Men US Euro S 4.5 - 7 2.5 - 5 35 - 37.5 M 7.5 - 9.5 5.5 - 7.5 38 - 40.5L 10 - 11.5 8 - 9.5 41 - 42.5