Nano Rain Zeta rain jacket 773-YF Description Super compactable rain jacket, with bellows on the back to accommodate the backpack. Technical Description – super compactable rain jacket, with bellows on the back to accommodate the backpack – HYDROSCUD®: – nylon ripstop exterior, breathable, windproof and waterproof with high water column – taped seams – water trap on the neck – bellows on the back to accommodate the backpack – zip of the reflective bellows - ventilation system under the axillary cable - bag pack of minimum footprint, with velcro hook system to bike/backpack Composition 100% Nylon