Our iconic featherweight waterproof shell, delivering peerless packability for ultra running and thru-hiking with a stripped-back kit list. Activities: Running Tech & Features Fit Slim Weight 4.1oz/116.5g (Size M) Centre back length 28.9in / 73.5cm (Size M) Hydrostatic head 20,000mm Breathability (MVTR) 20,000g/m²/24 hrs Main fabric 7D Pertex® Shield 2.5-Layer construction waterproof technology with fluorocarbon-free DWR (51gsm) HH: 20,000mm/MVTR: 20,000 g/m2/24hrs Product code QWI-17 The Phantom Jacket is one of the lightest waterproof shells available, offering stashable, barely-there protection for ultra running, mountain races, and long-distance thru-hiking. Features have been stripped back to those you really need without compromising on utility, from the handy full-length zip to the ventilated roll-away hood. The jacket packs into its hood when rainclouds clear, creating a palm-size pack size that effortlessly stashes away into your backpack or running vest, ready for a sudden shower. 7D 2.5-layer Pertex® Shield fabric feels weightless yet effortlessly deflects a downpour. Optimised elbow precurve for unrestricted movement while running. Versatile full zip makes it easy to throw the jacket on and pull it off as the weather changes. Part-elasticated hem for improved fit. Ventilated, roll-away hood doubles as an integrated storage pocket. Reflective branding throughout. Hood features rear venting to help reduce billowing on a windswept ridgeline. Secure elasticated cuffs offer enough stretch to vent your forearms and access your sports watch.