Smartwool Ski Zero Cushion Extra Stretch OTC Socks - Women's Nightfall Blue Medium. These socks were built with durability and breathability in mind so you can stay focused on the runs ahead without thinking about your feet. Specifications for Smartwool Ski Zero Cushion Extra Stretch OTC Socks - Women's: Manufacturer: Smartwool Gender: Female Age Group: Adults Sock Height: Over-the-Calf Fabric/Material: 52percent Merino Wool/14percent Nylon/31percent Recycled Nylon/3percent Elastane Features of Smartwool Ski Zero Cushion Extra Stretch OTC Socks - Women's Indestructawool technology for enhanced durability 4-Degree Elite Fit System for a dialed-in performance-oriented fit Body-mapped mesh zones for added breathability Wider welt for secure fit and comfort Virtually Seamless toe for enhanced comfort Package Contents: Smartwool Ski Zero Cushion Extra Stretch OTC Socks - Women's Smartwool SW002163P43100M000: Ski Zero Cushion Extra Stretch OTC Socks - Women's Nightfall Blue Medium