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Mountain Warehouse Alaskan Women’s 3-in-1 Jacket, Dark Burgundy, Size 20

£89.99 (as of 06/11/2026 04:18 GMT - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Mountain Warehouse Alaskan is a women’s 3-in-1 jacket in dark burgundy, size 20. It has a detachable lightweight inner jacket and an outer shell, which can be worn separately or together. The listing specifies 10,000 mm waterproofing, fully taped seams, an adjustable hood and hook-and-loop adjustable cuffs. It also gives a -30 °C thermal-tested claim, while noting that health, activity and perspiration affect performance. Check fit, layer arrangement and the conditions behind the thermal claim when assessing whether this variant suits your needs.

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Quick Summary

The Mountain Warehouse Alaskan is a women’s 3-in-1 jacket in dark burgundy, size 20. Its detachable inner jacket can be worn alone or with the outer shell; the shell is described as waterproof and breathable, with taped seams.

The listing also gives a 10,000 mm waterproof specification and a -30 °C thermal-tested claim. The latter is not a promise of comfort at that temperature: the listing notes that health, activity and perspiration affect performance.

Key Details

DetailProduct information and buyer relevance
Brand and modelMountain Warehouse Alaskan, model 050771277008.
ConfigurationOuter shell and detachable lightweight inner jacket. Wear either separately or together.
Waterproof specification10,000 mm, as stated in the listing. This is the product’s stated specification, not a guarantee for every condition.
SeamsFully taped, according to the listing, to help limit water entry at the seams.
Hood and cuffsThe hood has cinch cords; cuffs adjust with hook-and-loop fastenings.
PocketsZipped pockets.
Thermal claimLaboratory thermal tested to -30 °C. The listing says health, physical activity and perspiration affect performance; test conditions are not detailed.
VariantSize 20, dark burgundy; the listing states one item.
WarrantyA two-year warranty is stated. Check its terms for the selected product.

Key Features Explained

The three wearing arrangements let you choose the shell, inner jacket or both together. IsoDry is described as waterproof and breathable technology intended to let internal moisture escape while shielding against water. The listing does not give a separate breathability measurement.

The adjustable hood and cuffs allow some fit adjustment. They do not establish a particular fit, so check how they sit when the jacket is worn over the layers you expect to use.

What to Compare Before Buying

  • Fit: Confirm that size 20 is the intended size and check any available garment measurements or fit guidance.
  • Layer arrangement: Consider whether you want an inner jacket, a shell, or both. Check the product details if the way the layers attach is important to you.
  • Weather needs: Compare the stated 10,000 mm waterproof specification with the conditions you expect; do not treat the thermal-tested figure as a guaranteed comfort temperature.
  • Variant: Confirm the dark burgundy colour and model number if matching a particular item matters.

Planning Layer Combinations

Before heading out, try the jacket in the arrangement you expect to wear and check its fit over your usual layers. You can also adjust the hood and cuffs and see whether the zipped pockets suit the items you plan to carry. This is a practical fit check, not a test of weather performance or a recommendation for a particular temperature.

Before You Decide

Confirm size 20, dark burgundy and model 050771277008. Consider whether the shell, inner jacket or both together and the stated waterproof specification match your needs. Read the warranty terms and available fit guidance before choosing.

Brand

Mountain Warehouse

Manufacturer

Mountain Warehouse

Binding

Apparel

Product Group

Apparel

EAN

5063005809646

Part Number

050771277008

Model

050771277008

Color

Dark Burgundy

Product Dimensions

16.18 x 6.22 x 5.55 inches

Size

20

Number Of Items

1

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