Alpinestars all mountain jacketthe ultra lightweight and durable all mountain jacket is constructed from a technical waterproof outer shell that incorporates a water resistant main zipper and storm hood to ramp up its performance in poor weather conditions shock cord adjustments on the waist and collar combine with the velcro wrist closures for a highly customizable fit features material 100 nylon technical waterproof and breathable two layer rip stop main shell with reinforced interior lini