100% waterproof lace-up boots with a pre-treated upper for waterproofing and a durable rubber sole with alpine studs. The boots feature a faux fur lining that is both breathable and antimicrobial, and can withstand temperatures down to -30°C. Recommended size: We recommend that you order your own size. Closure type: Laces. Introducing the FIREBURST lace-up sneaker boot. Expertly crafted nubuck leather mudguard & heel counter. Features 1680D ballistic nylon quarter, and scuba padded tongue featuring Pajar’s signature circle rubber shield. The alpine lug rubber sole adds surefooted traction to this rugged style with a lightweight EVA midsole. The upper is entirely seam-sealed and comfort rated to -30°C, and -22°F, and features our weather proven Pajar-Tex waterproof membrane bootie to keep your feet snug all winter long.