The Rebound Windshell. A weather-beating windshell with removable sleeves. Ultra-light, water-repellent and breathable 2-in-1, do your thing, come wind, rain or shine. Made with windshell fabric with mesh on the back to keep things cool. Cut with a scooped hem and detachable sleeves that pack down small. Elastic cuffs. Reflective details for low light running or riding.