The Squall Shell Jacket is fully waterproof and remarkably light, making it the perfect emergency rain jacket to take with you in case the weather changes.Wear it as protection from sudden showers or use it to keep off the full chill of the wind while descending on a cool mountain day.A fully waterproof, packable jacketMade from Stretch 2-layer fabric with waterproof membrane and taped seamsWith elastic at the wrist and waist to keep out water and chilly airReflective stripe on the back for low light, foul weather visibilityWeighs just 94gMade for temperatures from 4-18°C