With an innovative, ergonomic design and distinctive graphic patterns Alpinestars Racer Pants are at the forefront of off-road racing apparel. With stretch panels and a 3D knee construction for freedom of movement and extensive, lightweight mesh this pant also incorporates a pre-shaped leg construction and reinforced padding to offer excellent levels of comfort and performance. Features Extensive rear stretch panel insert provides increased comfort and flexibility to the waist and lower back. Durable poly-fabric/nylon construction. PU coated for additional strength and durability. Extensive lightweight and ventilated mesh with stretch panel inserts for better fit. Pre-curved, ergonomic leg construction for improved performance in the riding position. Leather reinforced inner-leg panels for heat resistance, grip and comfort. Heavy nylon reinforcement on the seat area and inner leg panels provide superior abrasion resistance. Innovative 3D knee construction and hidden expansion panel designed to accommodate knee protectors. 3D injection molded rubber logos. Durable front zipper with snap front closure and dual waist adjustment pull-tabs. Convenient interior hip pocket for key/coin storage.