Key Features:Castelli engineered Air_O Stretch fabric for breathability, comfort and perfect fitFabric optimized for breathability and aerodynamicsRaw-cut sleeve endings for comfortThree back pockets with fourth zippered security pocket for valuablesFull-length YKK® Vislon® zipper with easy-use zipper pullElastic at waist with silicone to keep jersey in placeReflective tab for added visibility