11mm insole creates a barrier of warmth between foot and cold weather
Comfort Rating System
Comfort Rating: -100°F/-74°C
Arm yourself against the cold with this handy comfort rating scale, a highly scientific, lab- and field-tested rating system developed by the footwear industry to help advise you on which boots to wear when you step-out into that winter land of wonder
NOTE: As with any rating system, this is more of a suggestion than a rule and should only be used as a comparison guideline, NOT an actual temperature guide. Variables affecting cold-weather protection include circulation, level of activity, presence of moisture, body temperature, windchill and outerwear.
