Alpinestars gravity 34 jerseythe multi panelled alpinestars gravity 34 sleeve jersey uses an ultra light polyester microfibre knit and mesh panels which give superb sweat management and breathability the microfibre material is comfortable and breathable and wicks away any perspiration from your skin allowing you to stay cool the microfibre is soft and feels good against your skin enhancing comfort the alpinestars cycling jersey is anatomically designed for the riding position so you have no