Swiftwick Aspire Ankle Socks The Aspire offers thin breathable support with firm compression for enduring performance on runs rides and more. Engineered with moisture-wicking fibers it keeps feet dry and secure with zero slippage. Features Engineered with an ultra-thin profile to deliver unparalleled fit & feel Signature Olefin fibers wick moisture keeping your feet cool dry and blister-free Grips the contours of your feet to support the arch and help reduce fatigue53% Nylon / 39% Olefin / 8% Spandex Machine wash cold. Tumble dry low. Do not bleach or iron | Swiftwick | Aspire Ankle Socks | Size Large In White | Nylon