Smartwool Run Zero Cushion Ankle Socks - Women's 001 Black Small. Indestructawool and Shred Shield technologies increase the socks durability while the 4 Degree elite fit system women's specific fit Virtually Seamless toe and breathable mesh zones increase its comfort. Add to that its Merino wool construction which aids in odor resistance and temperature regulation and Smarwool's Womens Run Zero Cushion Ankle sock is a shoo-in to be one of your favorites. Specifications for Smartwool Run Zero Cushion Ankle Socks - Women's: Manufacturer: Smartwool Gender: Female Age Group: Adults Sock Height: Ankle Footwear Type: Socks Activity: Running Fabric/Material: 52percent Merino Wool 45percent Nylon 3percent Elastane Height: 3.25 in Features of Smartwool Run Zero Cushion Ankle Socks - Women's Sock Cushion: Zero Cushion Women's specific fit Virtually Seamless toe for enhanced comfort Shred Shield technology reduces wear from toes Mesh zones for added breathability 4 Degree elite fit system for a dialed-in performance-oriented fit Indestructawool technology with extended durability zones Package Contents: Smartwool Run Zero Cushion Ankle Socks - Women's Smartwool SW001674001S: Run Zero Cushion Ankle Socks - Women's 001 Black Small