The Aspire offers a thin, breathable feel and firm compression for enduring performance on runs, rides, and more. Engineered with moisture-wicking fibers, it keeps feet and ankles dry, secure, and supported. 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 fatigue SPECS: 69% Nylon / 25% Olefin / 6% Spandex