Alpenheat FireSkiSocks (only socks)
Alpenheat FireSkiSocks (only socks)
Preview: Alpenheat FireSkiSocks (only socks)
Preview: Alpenheat FireSkiSocks (only socks)
Alpenheat FireSkiSocks (only socks)
(Product No.: AH-AJ22)
Alpenheat FireSkiSocks (only socks)
Alpenheat FireSkiSocks (only socks)
Mobile Preview: Alpenheat FireSkiSocks (only socks)
Mobile Preview: Alpenheat FireSkiSocks (only socks)

Alpenheat FireSkiSocks (only socks)

109.00 CHF

incl. 8.1% tax excl. Shipping costs

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Description
Specification:
1. Heated Socks
Warm soft breathable material
Material:
  • 82% wool (30% merino wool + 25% nylon + 45% acrylic)
  • 18% elastane

2.Heating Element:
Carbon thread heating element underneath the toes

3. Sizes: unisex
S = 36-38, M = 39-41, L = 42-45, XL = 46-48

Set Content:
1 pair of socks (without battery packs and charger)

Find more products here
Alpenheat Size Chart

ALPENHEAT Size Chart

The following sizing information comes from official ALPENHEAT size charts and product pages. Many ALPENHEAT products use unisex sizing. If sizing differs by product or generation, the information for the specific product takes priority.

Heated Socks – FireSocks AJ27 / AJ21

The following table matches the sizing shown in the current ALPENHEAT size chart. A and B are sock product measurements in cm. All sizes are unisex.

Size Europe US Japan A in cm B in cm
Small 36–38 4.5–6 22.5–24 30 20.5
Medium 39–41 6.5–8.5 25–26.5 32 22.5
Large 42–45 9–11.5 27–29.5 35 25.5
XLarge 46–48 12–14 30–32 39 28
Manufacturer note: The chart is intended as a guideline only. All sizes are unisex.

Heated Gloves

How to find your glove size: measure from point X to the widest part of the hand and compare the measurement with the chart. All sizes are unisex.

FIRE-GLOVELINER AG1
Size XS S M L XL 2XL
Measurement 7 cm 8 cm 8.5 cm 9 cm 9.5 cm 10.5 cm
Numeric size 6 7 8 9 10 11
FIRE-GLOVE ALLROUND AG3
Size S M L XL
Measurement 8 cm 8.5 cm 9 cm 9.5 cm
Numeric size 7 8 9 10
FIRE-SKI AG20
Size XS S M L XL 2XL
Measurement 7.5 cm 8 cm 8.5 cm 9 cm 9.5 cm 10.5 cm
Numeric size 6 7 8 9 10 11
Manufacturer note: The glove charts are guidelines only. To be completely sure, ALPENHEAT recommends trying the gloves on.
Other current glove models: FIRE-HUNTING AG21 and FIRE-GLOVE Everyday AG22 are offered in S–2XL. Since the table used here does not show a dedicated measurement mapping for these models, measurements from other glove models are not transferred.

Heated Vests – Garment Measurements

The following values are flat garment measurements, not body circumferences. A = chest-area width, B = hem width, C = back length, D = armhole height, E = shoulder width. All A–E measurements are in cm. Manufacturer sizes are unisex.

FIRE-FLEECE AJ4 / AJ4G
Size A B C D E Women's reference size Men's reference size
XS 47 40 65 20 12 34 44
S 48 42 66 21 13 36 46
M 52 44 67 22 14 38 48
L 54 50 70 23 15 40 50
XL 57 52 72 24 15 42 52
2XL 59 56 74 25 16 44 54
3XL 62 58 75 25 17 46 56
4XL 65 60 77 26 18 48 58
5XL 66 62 78 26 19 50 60
6XL 69 64 80 26 21 52 62
FIRE-PERFORMANCE AJ34 / AJ34G
Size A B C D E Women's reference size Men's reference size
XS 49 42 60 20 11 34 44
S 51 42 63 21 12 36 46
M 54 45 66 22 13 38 48
L 56 47 68 23 14 40 50
XL 60 47 72 24 15 42 52
2XL 62 48 75 26 16 44 54
3XL 64 48 76 28 17 46 56
FIRE-AIR AJ35G
Size A B C D E Women's reference size Men's reference size
XS 44 46 65 20 12 34 44
S 47 48 67 22 12.5 36 46
M 50 51 68 22.5 13.5 38 48
L 53 53 69 23.5 14 40 50
XL 54 56 70 24.5 15 42 52
2XL 57 58 73 25.5 15.5 44 54
3XL 60 60 76 26.5 16 46 56
FIRE-SOFTVEST AJ9
Size A B C D E Women's reference size Men's reference size
XS 46 40 65 20 12.5 34 44
S 49 43.5 67 21 13 36 46
M 52 46 68 21 14.5 38 48
L 53 47 70 22 15 40 50
XL 55 48 72 23.5 16 42 52
2XL 57 51 74 24 16.5 44 54
Fit: ALPENHEAT explicitly describes its vest size charts as guidelines. For the best comparison, measure a well-fitting garment.

Heated Pant Liner FIRE-PANTLINER AJ6

The AJ6 chart also uses flat product measurements in cm. A = waistband width, B = hip width, C front / back = rise, D = leg width at the marked area, E = leg-opening width, F = outer leg length.

Size A B C front C back D E F Women's reference size Men's reference size
S 32 44 25 32 17 12 94 38 48
M 34 46 26 33 18 13 97.5 40 50
L 36 50 27 35 19 14 102 42 52
XL 38 54 29 35 20 16 106 44 54

Shoe Spikes GRIPS

Size EU shoe size US Japan
S 33–38 3–6 21–24
M 36–41 5–8 24–26
L 39–46 7–11 26–29
XL 45–48 10–13 29–31
Note: GRIPS are pulled over shoes or boots. ALPENHEAT recommends choosing one size larger for bulky boots.

Heated Insoles LITHIUM AH6

Product Size range Thickness Adjustment
LITHIUM AH6 heated insoles EU 35.5–48.5 3 mm Trim to fit

How to Measure

  • Gloves: hold the hand flat and measure the hand width at the point shown in the manufacturer chart.
  • Socks: compare your regular shoe size with the EU range in the FIRE-SOCKS chart.
  • Vests: compare the flat A–E measurements with a well-fitting vest.
  • Pant liner: compare the garment measurements with a well-fitting close-fitting pair of pants.
  • Shoe spikes: choose according to the actual shoe or boot size; consider one size larger for bulky boots.

Source: official ALPENHEAT size charts and product pages, status 08/2026. No sizing values from generic third-party conversion charts have been added.