M2 HARDKNOTT PASS MEN'S SHORT SLEEVE CYCLING JERSEY BREATHLOCK TECHNOLOGY RACE SLIM FIT SBS ZIPPER COMFORT AND LIGHTNESS 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. Technique and equipment to reach peak performance. Brand new, never worn. Husband removed tags before trying on, but it didn’t fit.