A durable water repellent exterior finish makes light work of light rain while flashdrytrade fabric on the inside wicks away sweat to keep you dry throughout handy pockets allow you to take your music player and other essentials along for the ride flashdrytrade fabrics are engineered to accelerate the removal of moisture from the skin and speed up evaporative drying enabling you to stay drier more comfortable and out performing longer in a wide range of weather conditions and environmen