Pearl Izumi - Ride Men's Pro LTD Speed Jersey 80% Polyester 20% Elastane Imported Flatlock seams for smooth interior construction; Full length zipper for venting; Three back pockets with hidden sweat-proof pocket; UPF 40+ Model/Year 2015 Pro Transfer In-R-Cool fabric powered by Cold black provides optimal cooling and reflective sun protection Aero fabric provides improved aerodynamics Flat lock seams for smoother interior Full length zipper for venting Three back pockets with hidden sweat-proof pocket