The Tucano Urbano Nano Zeta waterproof over jacket is breathable, windproof and waterproof (5000mm) and made from Ripstop Polyamide outer with high waterproofing rating and taped seams to prevent water ingress. It offers bellows on the back to accommodate a backpack and comes with a small bag for easy transportation (it folds up small). It also offers ventilation under the arms and has a longer rear.