Nikwax Glove Proof is a sponge on waterproofing for all leather and fabric gloves. While Glove Proof provides a waterproof barrier to the surface of the glove, the breathability and grip of the glove is still maintained.Adds water repellency while still prolonging life and performance of the glove at all times.Conditions leather replacing tanning agents within the leather gloves as well as being able to be applied to wet or dry gloves.Easy to apply - with no solvents used this treatment can be applied indoors and is fully water-based.Always apply this product to new and used gloves to keep them in perfect condition. Remember to clean fabric and insulated gloves first with Nikwax Tech Wash and Nikwax Leather Cleaner for leather gloves.