The X-Matrix Shell is designed for your ultimate saftey with 4 different layers to keep your head safe the layers feature a special aramid multiaxial fibers, 3d organic fiber, carbon reinforcement and multiaxial fiberglass. The shell also comes in three sizes. XS-L, XL and XXL-XXXL. Also the XG10 features some ot the highest quality fabrics. The X-Mart Dry Fabrics are anti-allergic, anti-sweat, removable and washable.