2XU Womens Ignition Shield WP JacketEngineered from a durable wind and waterproof ripstop membrane, the Ignition Shield Jacket, is packable and provides serious protection from all the elements. Full zip packable jacket 80gsm 2. 5 layer ripstop membrane shell 10k waterproof 10 metres worth of water can be placed on top without it leaking 10k breathable 10,000 grams of water can pass through square metre of fabric over course of 24 hours Environmentally responsible C0 DWR surface