Small Approximately Fits Women's Shoe 4.5-7.
Medium Approximately Fits Women's Shoe 7.5-9.5 and Men's Shoe 5.5-7.5.
Less is all you need with Merino Wool Vertex Tab Ultra Light Ankle Socks. Weighing in at only 13 grams per sock, these running socks are incredibly light but still incredibly tough. A handy tab on the back so they slip on easy. True Seamless construction reduces hotspots and blisters. Ultra high stitch count creates a super comfortable sock with a streamlined fit like no other. No slipping, no bunching, no blisters. Fine gauge Merino Wool makes this a fast drying and breathable “all-weather” sock that stays cool in the summer and warm in the winter. And since Merino Wool is naturally antimicrobial this sock repels bacteria and odor when you’re laying down the miles. Made in Vermont, USA Guaranteed for life by Darn Tough.