The original Canadian cold weather boot. It features a fully waterproof construction, fully taped seams, and a removable ThermoPlus felt inner boot. This inner insulation is crafted out of recycled felt and knit into cozy Sherpa Pile, which means it's warm and easy to clean. These toasty and durable boots will last season after season, and are highly popular with the folks that live in cold snowy places like Alaska, Minnesota, and the mountains of Colorado.