The Alpinestars Racer Pant features pre-curved legs for a conforming fit in the riding position & is constructed from a blend of polyester & nylon for assured durability. Available in a choice of striking colour options. Durable polyester/nylon construction Full-grain leather reinforcement panel on right knee panel for added heat resistance Pre-curved legs with 3D knee construction & hidden expansion panel Padded shin for extra impact protection Lightweight ventilated mesh liner