Featuring a durable Pertex Quantum Pro ripstop outer, the Nebitron Pro from Rab is the ideal outer layer for cold-weather expeditions. Recently updated, the jacket has not lost any of its outstanding performance and continues to keep you warm on the coldest days, thanks to PrimaLoft Silver RISE synthetic insulation retaining body heat to keep you at optimum levels of comfort. Climbing-friendly features include a two-way zip with an internal flap and a helmet-compatible hood that's fully adjustable.Formerly the Nebula Pro JacketBlown synthetic insulation lofts to trap air and provide warmthHelmet compatible hood with rear volume and concealed internal face adjustment with stiffened peak for increased protection2-way YKK VISLON centre front zip with insulated zip baffle and fleece lined chin guard2 YKK concealed zipped hand pocketIntegrated storage pocket with harness attachment loopYKK zipped inner security chest pocketElasticated cuff for optimum fit and hook and loop closure for use with glovesDual sided mitt friendly rear hem adjustmentPrimaLoft Silver RISE synthetic insulation (279g/9.8oz, Size M)Fit: Regular30D Pertex Quantum Pro outer (52gsm) with fluorocarbon free DWR20D Pertex Quantum lining (38gsm) with fluorocarbon free DWRMain 1: 100% polyamide with polyurethane coating;Main 2: 100% polyamide with polyurethane coating;Lining: 100% polyamideCentre back length (Size M): 76.5cm / 30.1inchWeight: 568g/20oz (Size M)_