Women's Run Zero Cushion Stripe Low Ankle Socks deliver premium comfort and durability for serious runners. Engineered with a women's-specific fit, Virtually Seamless™ toe, and breathable mesh zones, these socks keep your feet comfortable mile after mile. Indestructawool™ and Shred Shield™ technologies provide exceptional durability, while the 4 Degree™ elite fit system ensures a performance-oriented feel. The Achilles tab prevents slipping, and extended durability zones protect high-wear areas. Made in the USA of imported yarn: 47% Merino Wool, 31% Nylon, 19% Recycled Nylon, 3% Elastane. Machine wash warm inside out; tumble dry low.