!!!!ALVIN!!!! A shortsleeve full-zip jacket in GORE-TEX Stretch fabric. Extremely flexible and breathable, while providing reassuring protection from rain and wind. Folds down to store in most bag pockets. Extremely breathable. Repositioned side seam for optimum comfort and fit Adjustable waist width Pocket on chest with zipper closing Adjustable chest width Totally waterproof. Guaranteed To Keep You Dry™. Ultra light and ultra packable, ideal when weight and space are critical. Maximum breathability that enables the release of excess heat and moisture. Durable waterproof protection. Perfect fit and maximum freedom of movement, specially developed for golfers. Extremely hard wearing and long lasting. Easy to wash and maintain, just regular machine wash and tumble dry. !!!!Tech facts!!!! GORE-TEX Paclite® Technology features the lightest, most packable fabrics. Durably waterproof, windproof, and extremely breathable. The GORE-TEX membrane contains over 1.4 billion microscopic pores per square cm. These pores are 20,000 times smaller than a water droplet, but 700 times larger than a water vapour molecule, which makes the GORE-TEX membrane completely water­proof from the outside, while allowing perspiration to escape from the inside.