Equipped with the advanced durability of WOW Technology™, the reinforced soles deliver maximum comfort and seasons of use. Medium, full-length cushioning and elasticized arch braces maintain support and soften impact over rugged terrain. SmartWool technology uses the natural properties of merino wool to produce soft, itch-free socks. Lightweight, SmartWool fibers have a hydrophobic interior and hydrophilic surface that transfers and repels moisture away from the skin. Whether it’s hot or cold, the natural crimp of the merino wool fiber pockets lets the fabric regulate your temperature. 3x1 rib-knit legs keep socks from slipping down. Flat-knit toe seams. 72% merino wool, 27% nylon, 1% elastane. Made in USA. Women’s sizes:M(6 to 8-1/2), L(9 to 12). Color: Mineral.