If you're passionate about combining vintage style with the latest Siroko technology, then you should give M2 Retro a try. Its Race Slim Fit cut and VNEC guarantee the perfect fit to waist and neck, while its Breathlock+ technology ensures optimal breathability. The 100% aerodynamic short sleeves are perfect for summer outings and the incorporation of latest generation fabrics that combine polyester and spandex provide high elasticity performance. SBS semi-automatic Full Hidden zipper, anti-friction Zip Guard, reflective safety tag and three pockets on the back complement the rest of the design. Experience the feeling of classic cycling.