SW0SW293 SmartWool Women's Hiking Light CrewLight, half-cushioning is perfect for moderate hiking or aggressive walking. Designed specifically for a woman's foot. Arch brace holds the sock in place and adds additional support. Flat-knit toe seam keeps you comfortable throughout the day. Flat knit roe seam Elasticized arch brace Sock Height: Crew Sizing clearly indicated on the sock Light half-cushioned for varied trail and road terrain Fabric 73% Merino Wool, 26% Nylon, 1% Elastane WOW Technology High density impact zones are replaced with WOW Technology (Wool-on-Wool), for longer lasting wool benefits and a more comfortable sock. Product Care Turn inside out to avoid pilling. Machine wash on the gentle cycle with cool or lukewarm water using a mild, non-bleach detergent. If you prefer powdered detergent, make sure to dissolve it completely before adding. Machine dry on low or medium heat.