Poc avip short sleeve jerseythe avip short sleeve jersey with 4 way stretch fabric is infused with aerodynamic technology in order to reduce drag it is designed to enhance your visibility on the road and has a cut specific for your riding position which ensures all day comfort performance and safety the shoulders and back are made from a woven stretch fabric and has a compact 3d structure to improve aerodynamic performance the body is made from a 4 way stretch fabric that offers a streamline