Ale makes use of a 3-layer bonded WINDTEX fabric for the Women's PRR 2. 0 Strada Jacket, a fabric that effectively blocks out cold winds, so heat is retained inside the jacket. In addition to the protective outer, the SuperRoubaix brushed inner of this jacket traps a high degree of warmth, making it ideally suited to riding in cold and damp conditions. The outer layer is also smooth and aerodynamic, which when combined with the snug fit, saves precious energy when you're battling winter conditions. Read more… The addition of carbon filaments also aids comfort, improves blood circulation and reduces the accumulation of lactic acid in the muscles. Not only does the jacket protect you from the elements the high breathability means you won't feel discomfort and chilly inside from a build-up of perspiration. This is a vital feature to maintain your comfort even when riding in colder temperatures. For the dedicated cyclist, this slim fitting racing jacket gives the protection and breathability you need for long rides in changeable weather. Perfectly at home whether you're at a steady base mileage pace or hitting it out with the fast chain-gang during the week.