In R-EV1 jersey the fit is functional for aerodynamics & high level performance.CONSTRUCTIONGiro sleeves & lower collar on the front for a better comfort. The back in Rib 130 fabric protects from the harmful UVA & UVB rays promotes freshness & keeps the ideal body temperature.DETAILS$ pocket system Ale Full zipper Ergonomic collar Shaped sleeve & waist bands with gripper inside Back Security Reflex for enhanced visibility Flat seams in contrast colors FEATURESTemperature range: 18-30 Weight: 140g