Recommended for Gore-Tex, e Vent & other waterproof & breathable outdoor clothing, the Peter Storm 2 In 1 Waterproof Cleaner & Reproofer is specially formulated to clean & reproof outdoor clothing in one wash. Saving time, energy & water, the 2 In 1 Waterproof Cleaner & Reproofer will powerfully clean your garments whilst enhancing their durable water repellence. When using the cleaner & reproofer, all waterproof garments should be tumbled dried after washing to maximise water repellency.