Fit & Design: 4 Degreea" Elite Fit System offers a performance fit with strategic stretch and mesh zones to promote breathability while helping protect against blisters Women's specific fit features a narrower heel shape designed for secure, all-day comfort Cushioning placed along the entire bottom of the foot Technology: Indestructawoola" durability technology is intentionally knit into high impact wear zones, helping your socks outlast your longest adventures Virtually Seamlessa" toe technology is a flat knit toe seam designed for additional comfort Additional Details: Machine Wash Warm, Inside Out; Do Not Dry Clean; Do Not Iron; Tumble Dry Low; Do Not Bleach