Smartwool Mountaineering Extra Heavy Crew Sock - Men's

Extra-heavy cushioning will keep your feet warm and dry when you're mountaineering, ice climbing or multi-day backpacking. Arch brace holds the sock in place.   Features 82% Merino Wool, 17% Nylon, 1% Elastane WOW™ Technology in reinforced sole for maximum comfort and durability 2x1 ribbed knit cuff Sizing clearly indicated on the sock Flat knit toe seam SmartWool® Fit System with arch and ankle support Sizing: ADULT SOCKS (shoe size reference) Sizes US Men US Women Euro UK Small 3-5.5 4-6.5 34-37 2-4.5 Medium 6-8.5 7-9.5 38-41 5-7.5 Large 9-11.5 10-12.5 42-45 8-10.5 X Large 12-14.5 N/A 46-49 11-13.5