Alpinestars sirocco jacketultra durable and lightweight jacket from alpinestars easily stored when not in use and able to keep you wamr on the colder and wetter rides features 100 nylon technical waterproof and breathable single layer rip stop main shell with reinforced interior lining for durability all seams are tape sealed for additional water resistance performance for repeated use highly water resistant pocket zipper includes rubber ridges which close tightly behind slider to seal out