View the Stormproof size guide HERE For wet weather garments and equipmentStormsure's Stormproof is a spray-on durable water repellent that you should use on outdoor gear such as foul weather clothing, raincoats, woollen coats, hats, breathable jackets, fleeces, tweeds, synthetics, tents and footwear. It effectively repels water, oil and soil and works perfectly on nylon, cotton, polyester, wool, leather and more. Water just rolls off the surface without wetting it. To use, simply spray evenly onto your garment and allow to fully dry in a warm place. Stormproof is non-toxic and does not have a nauseating chemical smell, meaning it can be used in any environment and not necessarily outdoors. Easy spray-on application method for all types of fabrics. It is water based, and P.F.O.A. and P.F.O.S. free & environmentally responsibleAvailable in 250ml, 500ml, 1L, 5L and 25L Unlike some other waterproofing sprays, Stormproof is non-toxic and does not have a nauseating chemical smell, meaning it can be used in any environment and not necessarily outdoors. Works great with climatic membranes like GORE-TEX Adds or renews water repellency and revives breathability Prolongs the life of gear and optimises outdoor performance