Engineered with anatomical design and Targeted Compression, providing a Custom-Like Fit and reduced risk of blisters, plus Ultra Light cushioning that takes up minimal room inside the shoe. Features Anatomical Fit Targeted Arch Compression The Perfect ToeA(R) No-Slip Cuff Seamless Heel Moisture Wicking Mesh Construction SPECS Ultra Light Takes up minimal space in the shoe, with high breathability to keep your feet dry in various conditions. Quarter 2" quarter length offers the perfect amount of ankle protection from rocks, dirt and mud while running, cycling, or everyday use. Materials & Care Wick Fibers Wicks moisture to keep you cool and dry, while providing superior durability. 92% Nylon 8% Spandex Care Machine wash cold or warm, on the gentle cycle with a mild soap, avoiding bleach and fabric softeners. Tumble dry low. For best results, hang or lay flat to dry. Turn inside out before washing.