This hooded, waterproof jacket packs away into its own pocket so it's easy to take with you on every trip. The whole thing weighs less than 275g, so it certainly won't overload you. Bio motion Reflective Technology Polyester stretch fabric Water repellent finish Taped seams Attached, roll away hood Hi tech water repellent front zip with autolock slider & inner zip & chin guard Articulated sleeves 2 zip pockets Part elasticated hem