Madison RoadRace Optimus Men's Short Sleeve Thermal Jersey - XS - Yellow / BlackMadison RoadRace Optimus Men's Short Sleeve Thermal Jersey XS Yellow Black Developed with our Madison Genesis race team, the Optimus jersey is their go to piece for foul weather riding. A cross between a short sleeve jersey and a softshell jacket, it works superbly worn directly on top of a base layer or short sleeve jersey Pairs up perfectly with a pair of arm warmers for versatile usage Developed with our own Madison Genesis pro race team to meet