Equipped with the long-lasting durability of WOW Technology™, the reinforced soles, light half-cushion insteps and elasticized arch braces deliver maximum comfort over rugged terrain. Advanced SmartWool® technology uses the natural properties of merino wool to produce soft, itch-free socks. Whether it’s hot or cold, the natural crimp of the merino wool fiber pockets let the fabric regulate your temperature. 3x1 rib-knit tops keep socks from slipping down. Flat-knit toe seams. 73% merino wool, 26% nylon, 1% elastane. Imported. Women’s sizes: M-L. Color: Light Gray.