Endura fs260 pro jetstream short sleeve jerseythe endura fs260 pro jetstreamjersey offers athletic wind protection and includes a roubaix fleece inner on the back to prevent you feeling the worst of the cold the fs260 pro uses a windproof front panel to keep the upper body warm while the back panel is much lighter traditional jersey material that allows moisture and hot air to escape the race inspired fit and longish sleeves make it a fast ride favourite this is a great choice bikese