Tested at both the North and South Poles, IMPACT performs flawlessly under the most demanding conditions. IMPACT is appropriate for extended periods of time in extreme cold weather, snow and/or ice-covered environments, where activity level may be low to moderate. Boasting the most comprehensive inner boot system, IMPACT features the highest level of cold comfort in the Baffin range. Upper: Tall height, stylish leather and nylon upper with locking snow collar to protect from the elements Low-impact and environmentally sustainable B-Tek(TM) Eco materials Double buckle fastening for added security Pull loop at the back for ease of entry Base: Arctic Rubber(TM) shell to provide lightweight flexibility, cold-resistance and resilience EVA midsole for light-weight insulation and cushioning Polar Rubber(TM) outsole for maximized grip and longevity of boot at cold temperatures Insulation: Removable Comfort-Fit multi-layer inner boot system featuring: Thermaplush(TM) soft, next-to-foot wicking layer for warmth Form-fitting B-Tek(TM) Foam lining for comfort Double B-Tek(TM) Heat lightweight, 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(TM) polyester wool blend for breathable warmth Hydromax(TM) layering for improved moisture management DiamondNet(TM) insulation for wind-resistant protection with a lightweight feel Waffle-comb footbed designed to trap warm air and control odour Double aluminum insole returns heat and reflects cold for temperature regulation Specs: Based on Women&';s Size: 6 Height: 12" External Forefoot Width: 4.25" External Length: 15.25" Weight of Pair: 5.7 lbs Care: Nylon: Start by hand washing with warm water. If dirt persists, use mild detergent; Natural air dry Leather: Apply non-coloured shoe cream to the surface Rubber Base: Wipe with a damp cloth to remove excess dirt