1. 2 - 1. 4mm full-grain leather construction provides excellent abrasion resistance. Removable thermal vest. Multiple stitched main-seam construction for maximum tear resistance. Pre-curved sleeves for a perfect fit in the riding position. Soft collar with padded mesh insert. Adjustable waist. Removable CE certified shoulder and elbow protectors. YKK semi auto lock zippers. Waist connection zipper allows attachment to selected Alpinestars leather pants. Back protector compartment with a foam back pad (CE-certified RC protector sold separately)