Alpenwarm heated base layer top for men in black

Close-fitting and thin enough for under a sweater and jacket. The heating panels sit where the cold hits first.

  • One heating panel in the collar
  • Four over belly and kidneys
  • One on each forearm
  • Eight on the back

Up to about 131 °F (55 °C) at the panel on the highest level.

Fit

  • Women's tailored cut, XS to XXL
  • Men's straight cut, XS to 3XL
  • Fits close, the fabric gives – between two sizes, take the larger one

Power

  • USB connector in the flat zip pocket at the hem
  • Button with light, the color shows the level
  • 5,000 mAh power bank in the box

In the box and care

  • What's included: top, 5,000 mAh power bank
  • Remove the power bank, wash in a laundry bag on a gentle cycle
  • Let it dry completely before reconnecting

For anyone who gets cold under their jacket but doesn't want a bulky mid layer anymore.

  • Dog walks and short hikes
  • Ski days, chairlifts, hut terraces
  • Market stalls, warehouses, cold workshops

Without power it is a warm, close-fitting long-sleeve shirt.

Heated Base Layer Top Long sleeve · Women and men

Sits on your skin like an undershirt and warms neck, belly, arms and back. The power bank comes in the box.

  • 15 heating panels, neck to back
  • 3 levels via a button at the hem
  • 5,000 mAh power bank included
  • Women XS–XXL, men XS–3XL

What's included: Base layer top · 5,000 mAh power bank

$309.90$439.90Save $130.00 (30%)

Tax includedFree shipping

Fit Women
Color Black
Size
Which size fits me? Size guide

Stay warm longer? Add a bigger power bank

In stock, ships now

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Warning: low stock
This product is in high demand this winter and our stock is running low. Once it sells out, it takes a long time before we can produce it again – so it's best to secure yours now.

Find your size

Which size fits you?

Women's and men's have their own cuts – choose yours above. The measurements are of the top, laid flat and unstretched. Enter your weight to see your size.

  1. ChestMeasure straight across under the arms and double the value.
  2. LengthFrom the shoulder next to the collar down to the hem.
SizeWeight (kg)LengthChest
XS
S
M
L
XL
XXL
XS
S
M
L
XL
XXL
3XL

Enter your height and weight

cm
kg

The calculator combines height and weight. Right on the edge? Take the larger one.

Measurements of the top, measured by hand – ½ to ¾ in (1 to 2 cm) deviation is possible. It fits close and the fabric gives.

At a glance

Warmth that fits under your jacket

  • 15

    Heating panels

    Neck, belly, arms, back

  • 3

    Levels

    Button with light at the hem

  • to 131°F

    At the panel

    On the highest level, 131 °F (55 °C)

  • 5,000mAh

    Power bank

    In the box

Heating panels of the base layer top at collar, belly, forearms and back

Heating panels

Fifteen panels, placed where the cold goes

Front on the left, back on the right. Most panels sit at the back – where you cool down first against a chair or under a backpack.

  • CollarOne panel at the neck.
  • Belly and kidneysFour panels at the front.
  • ForearmsOne panel on each arm.
  • BackEight panels from the shoulder blades down.

Every day

One layer instead of two

Woman on a frosty forest trail, the heated base layer top under her open jacket

The short hike in November

Under an open softshell it warms belly and back, even when the wind picks up on the ridge.

3 levels

Via the button at the hem.

Washable

In a laundry bag, without the power bank.

Two cuts

Women's tailored, men's straight.

Charges your phone

The power bank, when the heating is off.

Button at the hem and power bank in the zip pocket

How it works

Power bank in the pocket, press the button

A flat zip pocket with a USB cable sits at the hem – that is where the power bank goes. Next to it is the button: it cycles through three levels, and the light color shows which one is on.

  • Flat pocketYou hardly feel it under a sweater and jacket.
  • 5,000 mAh power bankIn the box.
  • Button with lightThe level at a glance.
In the box: heated base layer top and 5,000 mAh power bank with cable

What's included

Top and power bank in the box

Unpack, charge the power bank, put it on – there's nothing else to buy.

  • 1× Heated base layer topWomen's or men's, black or gray
  • 1× 5,000 mAh power bankFits the pocket at the hemIncluded in the price

Charges your phone too. With the heating off, the power bank charges your phone.

Frequently asked questions

  • Yes. A 5,000 mAh power bank is included in the price. With the heating off, it also charges your phone.

  • Choose women's or men's above and enter your weight in the size guide. Between two sizes, take the larger one.

  • Up to about 131 °F (55 °C) at the panel on the highest level. The light color on the button shows the level.

  • No, you get the top.

  • Yes. Remove the power bank, wash in a laundry bag on a gentle cycle and let it dry completely before reconnecting.

  • Yes. Without the power bank it is a warm, close-fitting long-sleeve shirt.

Alpenwarm heated base layer top for men in black

Ready for winter

The first layer that warms by itself

  • 15 heating panels, 3 levels
  • 5,000 mAh power bank included
  • Free shipping

$309.90

Choose cut and size