CFD-based fabric placement and seam construction.Engineered shoulder fabric used specifically to.reduce drag at race speeds, with as much as 6%.savings in CdA.Bonded sleeve endings for comfort.Lightweight body fabric for optimal cooling,.breathability, and comfort.Elastic at waist to keep jersey in place and support.loaded pockets.3 rear cargo pockets.YKK® Vislon® zipper for easy use.Reflective tabs for added safety.Weight:128 g