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Mountain Warehouse Rain On Extreme Women’s 3-in-1 Waterproof Jacket, Black, Size 12

£99.99 (as of 06/11/2026 04:23 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 Rain On Extreme women’s jacket combines a waterproof outer shell with a lightweight inner jacket, which can be worn separately or together. This black size 12 model has a 5,000mm waterproof rating described as suitable for moderate rain, taped seams, a detachable hood and adjustable hook-and-loop cuffs. Check the fit with both layers, and compare the stated 5,000g breathability rating using equivalent units and test methods. Its -30°C laboratory test claim is not a guarantee of comfort at that temperature.

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Quick Summary

The Mountain Warehouse Rain On Extreme is a women’s 3-in-1 jacket in black, size 12. Its waterproof outer shell and lightweight inner jacket can be worn separately or together.

It has taped seams, a detachable hood and adjustable cuffs. The stated waterproof rating is 5,000mm, described as suitable for moderate rain.

Key Details

DetailProduct information and buyer relevance
Model058860005004
Size and colourWomen’s size 12, black. Check the fit with the layers you expect to wear underneath.
ConfigurationOuter shell and lightweight inner jacket, wearable separately or together.
Waterproof rating5,000mm; stated as suitable for moderate rain.
BreathabilityRated at 5,000g. Check units and test methods when comparing this figure with other jackets.
Seams and cuffsFully taped seams and adjustable cuffs with hook-and-loop fastenings.
Other featuresDetachable hood and multiple pockets described as secure; the pocket count and dimensions are not specified.
Listed item weight2.69 pounds.
Material claimDescribed as PFC-free and made without intentionally added PFAS.

Key Features Explained

The three wearing options are the shell alone, the lightweight inner jacket alone, or both layers together. This lets you choose a configuration, but does not establish a particular level of warmth or comfort.

The taped seams are intended to help prevent water passing through the seams. The hood detaches, and the cuffs adjust using hook-and-loop fastenings. The product details do not specify the number or size of the pockets.

What to Compare Before Buying

  • Fit: Check that women’s size 12 suits you, including when wearing both jacket layers. Garment measurements are not provided here.
  • Rain protection: The 5,000mm rating is stated as suitable for moderate rain. Compare the rating and stated conditions with the weather exposure you expect.
  • Breathability: The stated figure is 5,000g. Check that comparison figures use equivalent units and test methods.
  • Temperature claim: A laboratory-tested temperature of -30°C is stated, with performance noted as affected by health, physical activity and perspiration. This figure is not a guarantee of warmth or comfort at that temperature.

What Is Included

The described 3-in-1 configuration consists of the outer shell and lightweight inner jacket. Either layer can be worn separately, or both can be worn together.

Planning Your Layers

Try each layer combination with the clothing you expect to wear underneath, and check that it allows comfortable movement. Consider whether the detachable hood and adjustable cuffs suit your plans. If you take both layers, decide which combination to start with and keep the other layer accessible. This is a practical way to assess the options, not a guarantee of warmth or weather protection.

Before You Decide

Check the size and fit, whether the two-layer configuration suits your needs, and whether the stated 5,000mm waterproof rating matches the conditions you expect. Treat the -30°C laboratory test figure as a test claim, not a promise of warmth at that temperature.

Brand

Mountain Warehouse

Manufacturer

Mountain Warehouse

Binding

Apparel

Product Group

Apparel

EAN

5063005809912

Part Number

058860005004

Model

058860005004

Color

Black

Item Weight

2.69 pounds

Size

12

Number Of Items

1

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