Our Women’s Run Zero Cushion Stripe Low Ankle socks are chock-full of comfort and durability. This run sock’s women’s specific fit, Virtually Seamless™ toe, and breathable mesh zones increase its comfort. And Indestructawool™ and Shred Shield™ technologies increase its durability, so you know it will last through the miles and help keep your feet feeling good and going farther on every run.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 Achilles tab prevents sock from slipping into footwear Made in the USA of Imported Yarn: 47% Merino Wool 31% Nylon 19% Recycled Nylon 3% Elastane *Specific percentage of Recycled Nylon will vary as we transition to 100% Recycled Nylon in future seasons.