Whether you're bouncing from hostel to hostel or hauling your climbing gear home from the crag, you need to pack light. The Black Diamond Men's Stormline Stretch Rain Shell is the waterproof, windproof layer you need to protect you from the surprise storm that you'll inevitably get caught in, and it packs down into its pocket to fit easily into your pack. Its BD. Dry technology seals out rain and wind while allowing air to flow to manage moisture inside the jacket. Thanks to the Stormline's four-way stretch construction and underarm gussets, you'll have plenty of mobility for scrambling and reaching. The hood fits comfortably with a climbing helmet so you don't have to throw safety away in order to be protected from the weather.