GORE-TEX membrane is waterproof and breathable. Easily replaceable insole for greater comfort. Comfort width “H”: Ideal fit with extra width. Practical inner zip for quick entry. Features a waterproof and breathable GORE-TEX membrane for all-weather comfort. The insole is easily replaceable, allowing for personalized comfort. Designed with a comfort width 'H' for an ideal fit with extra space. Includes a practical inner zip for quick and easy access.