In r ev1 jersey the fit is functional for aerodynamics and high level performanceconstructiongiro sleeves and lower collar on the front for a better comfortthe back in rib 130 fabric protects from the harmful uva and uvb rays promotes freshness and keeps the ideal body temperaturedetails pocket system alefull zipperergonomic collarshaped sleeve and waist bands with gripper insideback security reflex for improved visibilityflat seams in contrast colorsfeaturestemperature range 18 30weight 1