Our Women’s Run Zero Cushion Low Ankle socks offer the comfort and durability that will help make every mile feel good. Indestructawool™ and Shred Shield™ technologies increase the sock’s durability, while the 4 Degree™ elite fit system, Virtually Seamless™ toe, women's specific fit, and breathable mesh zones increase its comfort. No matter if you’re hitting the trail, the pavement, or the treadmill for some good old-fashioned training miles, be sure your gear includes the sock that will help you stay comfortable on every stride.Features Sock Height: Low Ankle Sock Cushion: Zero Cushion Indestructawool™ technology with extended durability zones 4 Degree™ elite fit system for a dialed-in, performance-oriented fit Mesh zones for added breathability Shred Shield™ technology reduces wear from toes Virtually Seamless™ toe for enhanced comfort Women's specific fit Made in the USA of Imported Yarn: 46% Merino Wool 29% Nylon 22% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.