Low-ankle design keeps weight minimal while staying put during runs. Zero-cushion construction delivers ground feel and responsiveness for runners who prefer a direct connection to the road. Indestructawool™ technology and Shred Shield™ reinforce high-wear zones at the toe and heel, extending sock life through repeated miles. The 4 Degree™ elite fit system locks in a performance-oriented fit without slipping, while mesh zones enhance breathability where you need it most. Virtually Seamless™ toe construction eliminates irritation during long runs. Women's-specific shaping ensures a tailored fit. Made in the USA from 46% Merino Wool, 29% Nylon, 22% Recycled Nylon, and 3% Elastane—engineered for durability and comfort on every stride.