Alpinestars Racer Riway PantsIncorporating an evolved design for improved fit and comfort, the ergonomic Racer Pants are the ideal option for anyone looking for lightweight but durable riding pants. The Racer Pants also feature a newly designed stretch insert on the knee and heavy poly-fabric reinforcements for high levels of abrasion resistance.Features: Durable poly-fabric/nylon construction that is PU coated for additional strength and durability Large rear soft stretch panel insert from the upper thigh to the bottom of the leg provides increased comfort and flexibility to the waist and lower back Internal comfort liner made oflightweight and ventilated mesh with stretch panel inserts for improved fit, feel and function Pre-curved, ergonomic leg construction for improved performance in the riding position Heavy poly-fabric reinforcement on the seat area and inner leg panels provides superior abrasion resistance Leather reinforced inner-leg panels for heat resistance, grip and comfort Innovative 3D knee construction and expansion panel designed to accommodate knee protectors 3D injection molded rubber logos for durability Ratchet closure with dual waist adjustment pull-tabs for a safe, personalized fit Convenient interior hip pocket for key/coin storage