The Sun Mountain Cumulus rain jacket features rain gear for hot, humid climates. The jacket is super lightweight, fully seam-sealed, waterproof and breathable. It offers a woven shell with a protective inner layer. Cumulus is designed with back pleats for range of motion, adjustable hem and cuffs, a stand-up collar and zippered hand-warmer pockets. The Cumulus rain jacket comes with a two-year waterproof guarantee.