Quick Summary
The Mountain Warehouse Alaskan Womens 3-in-1 Long Jacket is a women’s jacket in Dark Blue, size 14. It is a 3-in-1 design with an outer waterproof shell, an inner lightweight jacket, and both worn together for extra warmth.
The jacket also includes taped seams, adjustable cuffs and an adjustable hood. Stated performance figures include 10,000 mm waterproofing and 5,000 g breathability.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Mountain Warehouse – useful for identifying the exact range. |
| Product type | Women’s 3-in-1 long jacket – a layered jacket design with separate wear options. |
| Colour | Dark Blue – check this against the colour you want. |
| Size | 14 – confirm the selected size before choosing an offer. |
| 3-in-1 design | Outer shell, inner lightweight jacket, or both together. |
| Taped seams | Seams are fully taped to create a waterproof seal. |
| Waterproof rating | 10,000 mm – a stated figure to compare with the wet conditions you expect. |
| Breathability rating | 5,000 g – a stated breathability figure to compare with your activity level. |
| Thermal test | Thermal tested to -30 °C. |
| Warranty | 2-year warranty. |
What to Compare Before Buying
- Size: This jacket is size 14, so check the fit you need before choosing.
- Layering: The 3-in-1 design gives three wearing options, so compare that with how flexible you want the jacket to be.
- Weather protection: The stated 10,000 mm waterproof rating and taped seams are the key figures to compare if wet-weather use matters.
- Breathability: The stated 5,000 g rating is the main figure to compare if you expect to wear it for active use.
Before You Decide
Confirm the colour, size 14 and 3-in-1 configuration before choosing an offer. If waterproofing, breathability or thermal rating matter to your decision, compare the stated figures with the conditions you expect to wear it in.





