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