Alpinestars Hyperlight All Mountain Bicycle Jersey Constructed from ultra-lightweight, moisture wicking material for the ultimate in comfort and performance Pull chord zippers are semi-auto locking to offer secure closure Constructed from ultra-lightweight, moisture wicking poly-fabric for the ultimate in comfort and performance Sleek, close-fitting performance racing cut incorporates open mesh inserts to promote cooling Low neck design features mid-length zipper with zip garage for ease of entry and comfort Elongated lower back hem helps keep maintain fit Pull chord zippers are semi-auto locking to offer secure closure