Alpinestars: Durable mechanical stretch main material construction incorporating an advanced, quick-drying poly-fabric for maximized performance and comfort. Double seam reinforcements and seamless construction on the seat area for greater comfort. Fabric features water resistance treatment for additional wet weather performance. Soft jersey inner waist belt for against-the-skin comfort. Adjustable waist band with hook-and-loop closure strap closure and front zip offers personal fit. Deep front pockets for convenient storage of small items. Flat snap connection for compatibility with Alpinestars inner chamois shorts.