Featuring the world's most breathable waterproof fabric, Polartec Neoshell, the Flexair Neoshell Pants combine the ultimate in weather resistance with the ultimate in breathability. Not only with they keep you dry in a nasty downpour, but this innovative fabric enhances natural thermoregulation to release heat and perspiration from inside the jacket. Add to this the fully taped seams and dry will be your new favorite word of the day.