Cycling Jacket Colorful Reflective Night Riding Safety JacketOverview: The breathable fabric under the arms and on the back of the bicycle jacket. It provides great ventilation and wicks moisture and perspiration away from the body effectively. Outer layer fabric provides superior wind protection and water resistance Note 1. Asian Sizes Are 1 To 2 Sizes Smaller Than European And American People. Choose The Larger Size If Your Size Between Two Sizes. Please Allow 2 3Cm Differences Due To Manual Measurement. 2.