Featuring the world's most breathable waterproof fabric, Polartec® Neoshell®, the Flexair Neoshell® Water Jacket combines the ultimate in weather resistance with the ultimate in breathability. Not only does it protect you from a nasty downpour, it enhances natural thermoregulation to release heat and perspiration from inside the jacket, keeping you dry. With its helmet-compatible hood and element-busting adjustment features to make the fit even more secure, this is the ultimate jacket for when the weather turns on the trail.FEATURES:Polartec® Neoshell® releases heat and perspiration without high-pressure build up, enhancing natural thermoregulation while providing the needed resistance from all outside elementsLarge underarm vents with waterproof zippersHook and loop closure at cuff to keep out the elements2-way adjustable helmet compatible hoodTwo, waterproof hand pockets and one waterproof chest pocket for storageDraw cord on lower hem for a close fitBody: 100% polyester Polartec® Neoshell®Length (HPS): 29", size large