Quick Summary
The Mountain Warehouse Extreme II Men’s 3 in 1 Jacket is a waterproof and breathable jacket in Jet Black, size XS. It combines an outer waterproof shell, an inner lightweight jacket and both together for added warmth.
Useful details include taped seams, underarm zips for extra ventilation and a hooded design. It is described as suitable for walking and hiking.
Who It Is Best For
This jacket will suit buyers who want a men’s 3 in 1 coat for walking or hiking and who need a waterproof layer with added ventilation options. The XS size and Jet Black colour are important checks before ordering.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Mountain Warehouse. |
| Product name | Extreme II Men’s 3 in 1 Jacket. |
| Colour | Jet Black. |
| Size | XS, so size selection matters before ordering. |
| 3 in 1 design | Outer waterproof shell, inner lightweight jacket and both together for warmth. |
| Waterproof rating | 10,000mm, tested to withstand extremely heavy rain in a 24 hour period. |
| Breathability rating | 5,000g, with fabric that allows perspiration to pass out of the garment. |
| Taped seams | Waterproof tape runs across all stitched areas. |
| Underarm zips | Unzip for extra ventilation. |
| Thermal test | Thermal tested to -40 °C, with performance affected by health, physical activity and perspiration. |
| Guarantee | 3 year guarantee. |
Why Buyers Choose It
- The 3 in 1 construction gives three wearing options in one jacket.
- The waterproof shell, taped seams and 10,000mm rating are all stated features for wet weather use.
- The breathable 5,000g fabric rating and underarm zips add ventilation options.
- The hooded design adds another included feature for outdoor wear.
What To Know Before You Buy
Check the selected size carefully, as this version is XS. The jacket is Jet Black, so confirm the colour and size variation match what you need before ordering. The thermal test result of -40 °C is affected by health, physical activity and perspiration, so it should be viewed in that context.
Common Buyer Questions
What makes this a 3 in 1 jacket?
It includes an outer waterproof shell, an inner lightweight jacket and the option to wear both together for warmth.
Does it have ventilation?
Yes. It has underarm zips that can be unzipped for extra ventilation, and the fabric is rated breathable at 5,000g.
Is it waterproof?
Yes. It is described as waterproof, with taped seams and a 10,000mm waterproof rating.
Does it come with a guarantee?
Yes. A 3 year guarantee is stated.
Final Buying View
If you want a men’s 3 in 1 jacket for walking or hiking, this Mountain Warehouse option combines a waterproof shell, an inner lightweight layer and ventilation features. Check the XS size and Jet Black colour before making your choice.
Size and Layering Check
When checking the XS fit, compare the available garment measurements with a jacket you already wear. Consider how much room you need when wearing both components together, rather than judging fit from the size label alone.









