The FineLine Stretch Rain Shell from Black Diamond is comfortable, reliable and full of fantastic features! For this jacket, Black Diamond used their windproof, waterproof and breathable BD.Dry solution, which ensures that you'll have optimum protection from sudden weather changes while your running the trails or walking the hills. The elastic outer fabric serves to increase the durability and comfort of the jacket, whilst the underarm gussets provide added mobility as well, making the FineLine a great option for climbing. Plus, the adjustable hood is compatible with a climbing helmet. When the sun comes out and you take the jacket off, you can simply stuff it in the chest pocket, which comes complete with a carabiner clip loop. A splash-proof YKK front zip and flat, elasticated cuffs add the finishing touches to the well-balanced design. The FineLine Stretch Rain Shell from Black Diamond is a reliable option for the mountains.