The Dryjoy Select rain jacket is a must for the golfer that wants to stay dry in wettest of weather conditions. It has a waterproof rating of 25, 000mm & breathability rating of 25, 000g which are extremely high. The higher the number, the more waterproof & breathable the item is. Considering how waterproof & breathable it is, the jacket is very lightweight. The jacket performs just as well in windy conditions by keeping the golfer warm & comfortable.