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  • POLAR LINER - Black
  • POLAR LINER - Black
  • POLAR LINER - Black


Extremely soft, comfortable and light weight replaceable EVA innerboot.

€ 160,-

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APS - Alfa Pro Series

– Outstanding technical construction and function. Our most innovative products.


This light weight liner offers 100% waterproofness, keeping your feet dry in all conditions. The shaft height supports the shell and provides additional stability. Ideal warmth to weight ration.

The liner fits perfectly with our expedition boot Polar A/P/S. If you want a tight fit, choose your regular boot size for the liner. If you prefer more room in the liner, choose one size up.

For use of the liner in expedition boots, as Polar A/P/S or Polar Advance, we recommend you choose the expedition boots 2 sizes larger than the liner for a good fit.

Polar Liner can be heat moulded. This should be done by a specialist in heat moulding.

  • Weigth: 115 g pr shoe/boot (EU 42)
  • Shaft height: 22.0 cm (EU 42)
POLAR LINER - mainPhoto2
Area of use

Water Resistance 5

Sole Stiffness 1

Insulation 5

Size chart

Size chart

Place a paper close to the wall and with bare feet place the foot on the paper, with your heel to the wall. Since it is important to stand up straight, preferably have someone help you draw a line in front of the longest toe. Remember to measure both feet as they might not be identical. With a ruler, confirm the measurement in centimeters and add additional space according to the list below.


Hunting and Hiking

  • Hiking Low and Hiking Mid approx. add 1 cm.
  • Mountain, Hunting and Winter boots add approx. 1.5 cm.

Skiing boots

  • Racing add approx. 1 cm.
  • Backcountry, Touring and Expedition add approx. 1.5 cm


  • Low and Mid add approx. 1 cm.
  • High add approx. 1.5 cm.

Note that this method is purely intended as a guideline.