Tested in the Coldest Climates on Earth
Moderate to High Level of Activity
Moderate to high levels of activity are achieved when a user's heart rate is between 60% and 79% of their heart rate max. Examples of this type of activity may include winter hiking, hunting, winter cycling, etc.
As warmth may be affected by many factors, please consult a medical professional if you’re planning to be active in freezing temperatures.
As warmth may be affected by many factors, please consult a medical professional if you’re planning to be active in freezing temperatures.
Tundra Rated
