CALIB is a must for all of your icy excursions. With its inside zip for effortless on-and-off action and its Aquastop membrane and thermal barrier to keep your feet cozy and dry, this boot's the go-to for winter activities. Plus, with a comfort rating down to -25°C/-13°F and a 5-inch shaft height and 10-inch shaft circumference, it more than meets the mark.
