Equipped for demanding mountain hikes and scrambles in uncertain weather, the Firewall Jacket offers 3-layer waterproof protection to keep the elements at bay. With robust 40D PertexA(R) Shield fabric, it&&';;s built to survive scuffs with rock and pack abrasion, yet is highly breathable and comfortable. When you&&';;re gaining elevation in a turbulent forecast, this protective shell is prepared for anything in your path. 3-layer, 40D PertexA(R) Shield fabric is hardwearing and comfortable next to skin. YKKA(R) front zip with external and internal storm guards and snap closure for ventilation. Adjust the highly protective hood with one hand, while the stiffened peak keeps rain off your face. Control airflow on steady climbs with the handy underarm vents. Lightweight single sided rear hem adjustment with anti-snag tether. Stash snacks or a compass within easy reach thanks to the two zipped hand pockets. Seal out the weather with the adjustable cuffs, which extend over the back of your hands for added protection. Features Fit - Regular Weight - 17.5oz/495.5g (Size M) Centre back length - 29.5in / 75cm (Size M) Hydrostatic head - 20,000mm Breathability (MVTR) - 20,000g/m^2/24 hrs Main fabric - 40D PertexA(R) Shield 3-Layer construction waterproof technology with fluorocarbon-free DWR (148gsm) HH: 20,000mm/MVTR: 20,000 g/m2/24hrs Material Facts Recycled PFAS Total content 41% No Fabric 53% No Outer 53% No Face 100% No Membrane 0% No Backer 0% No Zips 15% No Trims 4% No Renewable energy Product manufacturing 0% Manufactured in Bangladesh *Calculations based upon the weight of a UK men&';s size medium.