Military 1st have sent over details of some of the waterproofs they stock:
Gear up for rainy days with Military 1st! Visit our website at http://bit.ly/Waterproofs and find waterproof ponchos, trousers and jackets like this Mil-Tec ECWCS Jacket with Fleece. Mil-Tec ECWCS Jacket is waterproof (2000mm/water head), windproof and breathable (3000g/m2/24h), and goes with cobra hood with fur ruff attachment points (fur ruff not included), full-front zipper with a chin guard, 2 hidden pockets with snaps and Velcro, 1 pocket on left sleeve, ventilated sleeves, Velcro cuffs and hidden drawstring waistband.