Alpinestars: Durable mechanical stretch main material construction incorporating an advanced, quick-drying poly-fabric for maximized performance and comfort. Fabric features water resistance treatment for additional wet weather performance. Stretch poly-fabric on sides for added maneuverability in the riding position. Double seam reinforcements and seamless construction on the seat area for greater comfort. Deep front pockets for secure storage of belongings. Comes with flat snap connection for compatibility with Alpinestars inner chamois shorts, which come supplied.