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Ekstra battery XL (7.4V) – 5000mAh battery

Get EXTRA heating time with this New powerful 5000mAh XL battery. Fits ALL our 7.4V Vests, underwear/Base Layer, Heat Seat and our green quilted jacket. - a single charge gives from approx. 4 to 12 hours of heat, depending on the product and choice of heat level. NB: - Charges with USB-C connector (not included) Weight: 183 g. H: 76mm, B: 57mm, D: 26mm

Base Layer – Bottom

Base Layer Pants - with 15% elastane, for maximum comfort. Comes complete with charger and rechargeable 2600 mAh battery (7.4V) NEW: Upgrade your heating time to 4, 8 or 12+ hours with our new XL 5000 mAh extra battery - €95 (USB-C charging) Stay warm  - even when the cold weather bites! Sizes: The Base Layer is listed in men's sizes - note, women should choose a size less than their normal size  

Base Layer – TOP

BaseLayer Top - with 15% elastane, for maximum comfort. Comes complete with charger and rechargeable 2600 mAh battery (7.4V). NEW: Upgrade your heating time to 4, 8 or 12+ hours with our new XL 5000 mAh extra battery - €95 (USB-C charging) Stay warm  - even when the cold weather bites! Sizes: Listed in men's sizes - women should just choose a size smaller than their normal size
Gear bag

Nordic Heat – Gear Bag

The Nordic Heat Gear Bag keeps track of your gear. Fits a set of Base Layer + batteries. New model: With cushioning membrane and extra pockets inside.
Heated Base Layer from Nordic Heat
Long underwear with built-in heat keeps you warm so you can maintain a comfortable body temperature, even if it's very cold outside. Base Layers from Nordic Heat has strategically placed heating zones and produced in a breathable and sweat transporting material that keeps you warm and dry, whether you're doing sports, walking the dog or on a still-sitting hunt.
Intelligent Battery Heated Clothing

Heated underwear is the perfect Base Layer

Long underwear with battery heated zones keeps you warm and gives you full freedom of movement.

7.4V rechargeable Lithium-ion battery with LED power indicator

The battery can be used in vests, base layer, jacket (7.4V) and heat seat. With a 5V output for charging mobiles and other USB devices

Heating zones in the groin and on the knees

Breathable and sweat-transporting material

Heating zones on the stomach, upper back and lower back

Control button on the wrist lets you adjust the temperature between high, medium or low

Highest Quality

Designed and developed in Denmark


7,4 Volt

The higher the volt, the more heat


Control the temperature

One button - 3 heating settings


Produced to last

Tested for professional use

Long underwear with battery heated zones keeps you warm and gives you full freedom of movement

Don't let the cold and biting winter stop your activities. With battery heated zones in your long underwear you can simply turn on the heat when you start to freeze. The Nordic Heat Base Layer consists of a top and long underpants, in which the 3 heating zones in every part are located for the optimal flow of heat. Every part comes with a charger and a small, but powerful battery that can last for more than five hours on one charge.

Heat on demand is easy to control
You activate and control the heat on the control button which is convenient located even if you wear an overcoat. Choose from three heat settings and turn up or down with a single press. The inner lining is made of breathable and sweat-absorbing fabric that is comfortable against the skin and keeps you dry all day long. When you practice outdoor activities like hunting, fishing, cycling or walking the dog, where you move and stand still, it can be difficult to dress properly on the trip. Too much clothes make you sweaty when you are very active and too little clothes will let the cold sneak in on you after a short period of time. The underwear with built-in heat makes it much easier to dress after the weather. With battery heated zones close to the body, you decide the temperature yourself.

  • Craftsman: Begin the work of the morning without freezing with warm underwear and the long underpants. Turn off when you're active - and turn on again after the break.
  • Skiing: Avoid the many layers of clothes and get full freedom of movement for the trips down the mountain without freezing - also when you sit in the lift on the way up.
  • Toddler parents: The baby is nice and comfortable in the stroller, and the big children get the warmth of running around the playground. Enjoy the time while a wonderful warmth spreads in your body from the battery heated underwear.
  • Diver: Nordic Heat Base Layer can become an indispensable part of your equipment instead of the normal underwear.

Nordic Heat heating system XCT (Xtreme Comfort Technology) consists of ultra-thin carbon fiber in the heating zones. The insulated carbon fiber threads underneath the heating zones are so fine that you can't see or feel them - only the effect of the pleasant warmth that spreads when you turn on the heat. In the long underpants the zones are divided into the upper groin area and at the knees to achieve optimum flow of heat to the entire body and prevent your knee joints getting cold and stiff. The upper zones are located across the stomach and two zones on the back to promote blood circulation to the entire body.

Maximum freedom of movement
When choosing clothes with built-in heat, you can enjoy great freedom of movement for your activities. Gardening, skiing, cycling and sailing require that you use your body and with this ability to turn on and off the heat as needed, you avoid packing on with several layers of clothes. Hunting, gardening or golfing can be prolonged when you are warm and dry all the time.

Over five hours of heat

A set of long underwear is especially relevant if you are outdoors for a long time. Nordic Heat Base Layer has the high quality expected of inner clothing for active outdoor people. When it begins to feel cold you simply turn on the heat. The powerful battery is small and stored in a specially designed pocket where it does not bother. At the lowest heat setting, the battery can last for more than five hours on one charge.

Series of heated clothing
Nordic Heat has launched a series of battery heated clothes and constantly develops new solutions that makes it even better. Thousands of hunters, craftsmen, riders, divers, and cyclists among many others have enjoyed the comfortable warmth afforded by vests, underwear, gloves, hat and insoles over the years. The ongoing feedback provides the basis for Nordic Heat to fine-tune details to meet the wishes of users for the greatest possible comfort and freedom of movement in the built-in heat.

Washable at 30 degrees
The underwear can be washed at 30 degrees - just remember to remove the battery. All Nordic Heat products use 7.4V or 12V, which is low voltage so you can't get an electric shock.

Your security - Our priority
Safety means everything to us in Nordic Heat. Therefore, we are constantly testing our products so we are absolutely sure that they comply with applicable laws and regulations. All our products are CE and RoHS approved and are manufactured in an ISO9001 certified factory with high quality control.

  • Base layer is made in a breathable fabric and has a sweat transporting thermo layer.
  • The Base Layer Top has three heating zones, ensuring that the entire body core is kept warm. There is one heat zone across the stomach and two zones on the back - located on the upper part of the back and across the lower back thereby promoting blood circulation to the entire body.
  • The Base Layer Bottom has one heating zone in the upper groin area, which is flowed through approx. 3,000 liters of body fluid a day. The location here provides an efficient transport of heat into the legs. At the same time, a heat zone around each knee ensures that your joints do not get cold and stiff.


Base Layer is unisex, but please note that they are listed in men's sizes.
Women should choose a size less than normal.

If you have any questions please see our FAQ or contact us at: or telephone number +45 2717 0000.

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