Product features a guarantee to keep you dry total breathability with the goretex lining durable fabric machine washable and able to tumble dry interchangeable with the entire galvin green selection of apparel gore texthis is a patented technology that galvin green use in their productswhat it does is lets vapor pass through the material whilst repellingliquid water this makes it perfect for golfers wanting to stay dry andnot get too hot other great attributes it possesses include beinglight