Thermal Underwear
In the thermal underwear category you'll find a wide range from Viking and Therm-ic – classic thermal underwear that wicks away moisture while keeping you warm throughout the day, as well as heated thermal underwear with interchangeable batteries and control via a mobile app. Thermal underwear is especially popular among skiers, hikers, and anyone who spends time in the cold and needs a base layer they can rely on.
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How to choose thermal underwear
When choosing thermal underwear, it mainly depends on the activity and temperatures you'll be wearing it in. Go for classic thermal underwear as a base layer for regular winter days – it wicks away moisture well and keeps you warm while moving, making it suitable for hikers and runners alike. If you need extra warmth while standing still, during low-activity outings, or in extreme cold, go for heated thermal underwear with interchangeable batteries, letting you adjust the temperature exactly as needed straight from a mobile app.
Heated thermal underwear is especially popular among skiers and anyone spending long hours in cold weather, while classic thermal underwear is a reliable choice for everyday wear under regular clothing.























