Mountain Warehouse Alaskan Womens 3-in-1 Long Jacket, Jet Black, Size 12

£129.99 (as of 09/23/2026 06:37 PST - 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 Womens 3-in-1 Long Jacket is a Jet Black women’s jacket in Size 12 with a detachable inner coat, taped seams and adjustable cuffs and hood. It can be worn three ways, with waterproof and breathable ratings stated for wet-weather use.

SKU: B01HMUMVJ8 Category:

Quick Summary

The Mountain Warehouse Alaskan Womens 3-in-1 Long Jacket is a waterproof, breathable raincoat with a detachable inner coat and taped seams. It is offered here in Jet Black, Women’s Size 12, and the jacket can be worn three ways: outer shell only, inner jacket only, or both together.

The adjustable cuffs and adjustable hood give you useful fit control, while the 3-in-1 design lets you choose the layer setup that suits the weather. This is a long jacket for outdoor wear when a waterproof shell with an inner layer is needed.

Who It Is Best For

This jacket suits buyers who want one outer layer with a detachable inner coat and a choice of wear options. It is also worth checking the selected size before ordering, especially if you want the fit to work comfortably with layering underneath.

Key Details

DetailVerified information and buyer relevance
BrandMountain Warehouse.
ModelAlaskan Womens 3-in-1 Long Jacket.
ColourJet Black.
SizeWomen’s Size 12.
Jacket type3-in-1 jacket that can be worn as the outer shell, the inner jacket, or both together.
Waterproof featureTaped seams and waterproof construction are stated for wet-weather use.
BreathabilityRated at 5,000g, which supports airflow through the fabric.
Waterproof rating10,000mm, stated for heavy rain protection.
Fit featuresAdjustable cuffs with Hook and Loop fastening and an adjustable hood.
Inner layerDetachable inner jacket that can be worn on its own or with the outer.

Why Buyers Choose It

  • The 3-in-1 design gives three wear options, so you can choose a lighter or fuller layered setup.
  • Taped seams and a stated 10,000mm waterproof rating are useful if you want a jacket for wet conditions.
  • The detachable inner jacket adds flexibility when you only need one layer.
  • Adjustable cuffs and hood help you fine-tune the fit.

What To Know Before You Buy

Check the selected women’s size 12 before ordering, especially if you plan to wear layers underneath. The jacket is supplied in Jet Black, and the 3-in-1 setup depends on how you choose to wear the outer shell and detachable inner coat. The stated waterproof and breathable ratings help define the jacket’s intended wet-weather use.

Common Buyer Questions

Can the inner jacket be worn separately?
Yes. The detachable inner jacket can be worn on its own or with the outer.

How many ways can it be worn?
Three ways: outer shell only, inner jacket only, or both together.

What fit adjustments does it have?
It has adjustable cuffs with Hook and Loop fastening and an adjustable hood.

What wet-weather features are listed?
Taped seams, waterproof construction, a 10,000mm rating, and breathability rated at 5,000g.

Final Buying View

If you want a women’s long jacket with a detachable inner layer and a choice of wear options, this Mountain Warehouse Alaskan model gives a clear 3-in-1 setup. Check the size and the way you plan to use the layers before ordering.

Brand

Mountain Warehouse

Manufacturer

Mountain Warehouse

Binding

Apparel

Product Group

Apparel

EAN

5057634123716

Part Number

025440104004

Model

025440104004

Color

Jet Black

Is Adult Product
Product Dimensions

4.33 x 4.33 x 4.33 inches

Size

12

Number Of Items

1

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