Bargain hunters on the lookout for a waterproof coat from Mountain Warehouse at a steal won't want to miss this money-saving offer, which could save you £75. This Softshell Rain Jacket has dropped to £39.99 in this limited-time sale - and the deals don't end there. Shoppers who register with TopCashBack will receive a complimentary £15 bonus when they join, meaning this already significantly discounted waterproof jacket would drop to an even more affordable £25 when you purchase through this link. The 'Ioana' Water Resistant Longline Softshell Rain Jacket is hailed as perfect for all occasions this autumn. While another buyer beams: "Great light, long jacket & waterproof.