Arctic Rated - For active endeavors when freezing temperatures are sustained for extended periods. Arctic Rated products have been worn by Baffin’s testing team in comfort in regions where temperatures between -30°C to -45°C/-22°F to -49°F have been experienced. Upper: Tall height, stylish leather and nylon upper with locking snow collar and built-in extendable gaiter to protect from the elements, Seam-sealed for maximum water protection, Double-strap Velcro for easy fastening and added security, Gaiter clip at vamp for quick and secure attachment of accessory, Pull loop at the back for ease of entry. Base: Arctic Rubber shell to provide lightweight flexibility, cold-resistance and resilience, EVA midsole for lightweight insulation and cushioning, Polar Rubber outsole for maximized grip and longevity of boot at cold temperatures, Icepaw design pads for improved contact-point grip on ice. Thermaplush soft, next-to-foot wicking layer for warmth, Form-fitting B-Tek Foam lining for comfort, 4-channel hollow-fibre insulation for high-loft breathability in a broad range of temperatures, Vapourized Aluminum Membrane for energy reflection and heat regulation. PolyWool polyester wool blend for breathable warmth, Hydromax layering for improved moisture management, DiamondNet insulation for wind-resistant protection with a lightweight feel, Waffle-comb footbed designed to trap warm air and control odour.