GARMENT WEIGHT 65 g or 2.31 oz HEIGHT Crew CUSHIONING Light Cushion CONTENT 56% Merino Wool 12% Nylon 27% Recycled Nylon 3% Elastane 2% Polyester SIZES S-L FEATURES Kate Zessel designs by SmartwoolA(R) Indestructawool(TM) technology with extended durability zones 4 Degree(TM) elite fit system for a dialed-in, performance-oriented fit Additional body-mapped mesh zones for added breathability Virtually Seamless(TM) toe for enhanced comfort Comfort welt with &';stay put&'; fit Women&';s specific fit