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West Rib Down Parka - Men's

4.659090909090909 out of 5 stars
44 Reviews

Out of Stock

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Why We Like THe West Rib Down Parka

The West Rib Down Parka is built to accompany us on our cold-weather hikes, climbs, and camping trips. This parka boasts a 3D WarmCube design to prevent the 800-fill goose down from shifting around, allowing us to stay warmer and enabling the jacket to stay compact and packable when the temperatures rise.


  • Warm insulated jacket for chilly campsites or icy belays
  • Pertex quantum face fabric blocks wind and works to trap heat
  • Goose down backed up by 3M Thermal R insulation keeps you warm
  • 3D WarmCube prevents down from shifting for maximum warmth
  • Multiple pockets keep your important items nearby and secure
  • Insulated hood traps extra heat while blocking out windy weather
  • Included stuff sack allows you to bring this along for the campsite
  • Item #MAR01XL
Pertex Quantum (100% nylon ripstop)
800-fill goose down, 3M Thermal R
Baffle Construction
3D WarmCube
Center Back Length
insulated, peripheral cord adjustment
2 zippered hand, dual interior mesh, zippered chest
Claimed Weight
2lb 6oz
backpacking, casual, hiking, climb
Manufacturer Warranty

Overall Rating

4.5 based on 44 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 2 reviews
3 Stars - 3 reviews
4 Stars - 3 reviews
5 Stars - 36 reviews

What do you think about this product?


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3 out of 5 stars

January 4, 2024

Definitely Not Unisex

Ladies! This jacket is marked as unisex, it most definitely is not. For a given hip size, the shoulders are comically large; this jacket is really just built to be a men's jacket. However, it is a beautiful jacket and seems very warm, I would love to see an actual women's version.


Originally reviewed on

5 out of 5 stars

December 19, 2023

Nice job Marmot!

[This review was collected as part of a promotion.] This is a solid winter performer. No worries about being on exposed high peaks ridges Summits. Handles the coldest NH White mountain winter backpacking. Could it be made better by making the interior pockets, larger and a bit beefier zipper, sure, but now we’re getting picky. Love the generous cut, fits well over other layers when backpacking at elevation during this cold nights eating a late dinner and chilling with some hot cocoa before bed! A true puffy to rule them all. Have the Mt Tyndall puffy which is awesome, hard to beat it but you did, better shell and warm cube cuddles around you like little pillows of warmth.

Steph K

Originally reviewed on

5 out of 5 stars

May 28, 2023

very warm

this is a real warm jacket, it helped my husband through the cold nights in backpacking the Andes.


Originally reviewed on

5 out of 5 stars

May 17, 2023

A cocoon of warmth and comfort

[This review was collected as part of a promotion.] I bought this jacket this year because I’m moving to Iowa. I did a lot of research into jackets that could withstand Iowa’s coldest of winters and discovered warmcube. It’s got to be the warmest jacket I’ve ever worn. It just immediately begins to heat you up with the little warmcube tufts that use your own body heat to keep you warm. I want to get all of the warmcube jackets down the line and they’re definitely worth the price point. I feel like this would save my life in Iowa in a winter storm if I got locked out of my house or car somehow. I will always keep this with me when I’m out of the house in the winter.


Originally reviewed on

5 out of 5 stars

January 12, 2023

Ultra warm and very durable

[This review was collected as part of a promotion.] This parka is extremely warm, fits well, and is surprisingly durable. I recently fell hard on the New York City streets, while riding a Onewheel, and wearing this parka. Not only did it keep me warm at subzero temperatures, but it prevented injury thanks to the synthetic passing, and did it all without a scratch. I’m very pleased with my purchase, and would make it again


Originally reviewed on

5 out of 5 stars

January 5, 2023

Exellent cold-weather jacket

Light and warm, not too bulky considering the warmth it provides.

Real Bill

Originally reviewed on

5 out of 5 stars

January 4, 2023

This is the real deal for MN winters

Came just in time for the polar vortex that broke off and brought -10F weather to MN. This jacket was downright toasty. I was just wearing a long sleeve tshirt underneath and was completely warm. Sizing is right on par with being able to layer a sweater if you need it. It was great at keeping out the wind too. We had 40 mph winds and I couldn’t feel any wind penetrating. The only knock I have on the parka is the hood. It’s sized for a helmet and it is too big. It would be better if the hood could be cinched down but the buckle on the back really doesn’t do much. A drawstring on the front would go a long way towards improving that. The zipper is finicky like other reviews have mentioned- even without gloves getting ready to go outside.

MN Loon

Originally reviewed on

5 out of 5 stars

January 2, 2023

Warmcube Unisex West Rib Park

[This review was collected as part of a promotion.] Great parka. Great quality, fits perfectly. No more cold nights!


Originally reviewed on

3 out of 5 stars

December 26, 2022

Just O.K.

[This review was collected as part of a promotion.] The hood needs to be redesigned, zipper too. There's no drawstring for the hood, so it can't be gathered in any way, and it's way too big. Also, the zipper is way too small; it should be much larger for extra use/abuse. Also, the XXL is small and tight in the arms... it needs another inch or two in the width within the arm socket. I end up collapsing the down when I stick my arms into the coat which shouldn't happen. I'm comparing it to an earlier Marmot coat that is properly designed.

Bob1 S

Originally reviewed on

5 out of 5 stars

December 25, 2022

As Advertised.

Parka is outstanding. Warm as advertised. 5’9” 180 lbs and medium was perfect.

Originally reviewed on