You know it's gonna be a good ski day when you've got Merino socks on your feet. Smartwool's Ski Full Cushion Alpine Auroras Over the Calf Socks deliver everything you need to stay on the slopes longer. The women's specific fit with a narrower heel shape is designed for secure all day comfort. These socks also feature our top sock technologies, like Indestructawool(TM) designed for added durability and a 4 Degree(TM) elite fit system for a dialed-in fit, these socks deliver comfort and performance that never quits. Design: Indestructawool(TM) durability technology is intentionally knit into high impact wear zones, helping your socks outlast your longest adventures 4 Degree(TM) Elite Fit System offers a performance fit with strategic stretch and mesh zones to promote breathability while helping protect against blisters Virtually Seamless(TM) toe technology is a flat knit toe seam designed for additional comfort Women's specific fit with narrower heel shape designed for secure all day comfort Additional Details Made in the USA of Imported Yarn: 57% Wool-Merino 41% Nylon 2% Elastane Full Cushion Ski: Full cushioning on the entire sock adds the warmth, enhanced impact protection and durability you need and love