Tested at both the North and South Poles, ICEFIELD performs flawlessly under the most demanding conditions. ICEFIELD is appropriate for extended periods of time in extreme cold weather, snow and/or ice-covered environments, where activity levels may be moderate. Boasting the most comprehensive inner boot system, ICEFIELD features the highest level of cold comfort in the Baffin range. Polar Proven and B-Tek Dry Waterproof rated.