Heavy full cushioning provides shock absorption, offers insulation against the elements, and supports your feet under weighty loads. Elasticized arch brace holds the sock in place and offers additional support. Flat-knit toe seams and 3 x 1 ribbed cuffs ensure all-day comfort. WOW Technology in the reinforced sole maximizes durability, performance, and comfort. 80% Merino wool, 19% nylon, 1% elastane. Crew height. Made in the USA of New Zealand Zque Merino wool. Men's Sizes: S (3 - 5.5), M (6 - 8.5), L (9 - 11.5), XL (12 - 14.5).