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Simple, light, warm.

For less than a pound, the Rab Xenon X Hooded Insulated Jacket features 60g PrimaLoft One insulation and a helmet-compatible hood to give you a extra warmth on your next day in the alpine. Elastic cuffs help you seal this jacket around your gloves to keep out snow, and a waist-drawcord does the same thing lower down. Rab designed the YKK front zipper to go up to your nose, so you can really seal out the weather when things get nasty. Plus, this whole insulated jacket stuffs into it's own chest pocket for easy storage when the clouds clear and the wind dies down a bit. The Xenon X Hooded Jacket is there when you need it, and you won't notice the weight when it's just chillin' in your pack.

  • 60g PrimaLoft One insulation
  • Helmet-compatible hood
  • Stuff into the chest pocket

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Rab Xenon X Hooded Insulated Jacket - Men's

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Here's what others have to say...

Rab & PrimaLoft

PrimaLoft has become the benchmark in synthetic insulation and is now the go-to choice for climbers looking for static protection in extreme conditions. Here at Rab we use the highest quality PrimaLoft Gold insulation in all of our PrimaLoft products.

The technical qualities of PrimaLoft Gold insulation are second to none. Microfibres trap body heat to make it the most thermally-efficient synthetic insulation available today, which even when wet will maintain 96% of its warmth.

3 5

Not quite helmet compatible.

  • Familiarity: I returned this product before using it
  • Fit: True to size
  • Height: 5' 10"
    Weight: 150 lbs
    Size Purchased: Medium

Purchase this jacket looking for a lightweight belay /over-jacket for rock and alpine climbing.
Good: I am 5"10, 150lbs and medium fits my torso and arms fine, both over and under an Arcteryx Alpha AR shell. It is extremely lightweight and comfortable.
Bad: The fit over my Sirocco climbing helmet is too close. The hood pushes the helmet so firmly into my head, I'll never be able to wear it for any length of time. I have had to return a First Ascend hoody for the same reason so perhaps the helmet is the problem here. Other lower profile helmets might work better. Second issue is that the zipper is small and feels insubstantial. My first zip, I didn't have the zipper pin fully engaged with the zipper box and it slide up halfway on one side. It is difficult to engage with gloves on, and I bet with cold hands too. Hood shape is a bit like a crusader's helmet if that matters to you.

5 5

Great and versatile jacket

  • Familiarity: I've put it through the wringer
  • Fit: True to size
  • Height: 6' 0"
    Weight: 155 lbs
    Size Purchased: M

I have had one of these for some time now and love it. I wear it primarily in either a casual setting, but I also carry it up multipitch rock climbs quite a bit. It is lighter and as small as my rain jacket when packed, and way warmer. For a multipitch layer, i highly recommend it. I do have some cord (and duct tape...) backing up the carabiner clip loop, but only because I'm paranoid of getting it caught on something and tearing it.

5 5

fully functional warmth

  • Gender: Male
  • Familiarity: I've used it several times
  • Fit: Runs small
  • Height: 6' 1"
    Weight: 180 lbs
    Size Purchased: medium

Let me start by saying that before I purchased this jacket/hoody, I had read reviews that actually complained about it being too warm.. let me verify that this hoody is exceptionally warm! With its Pertex Quantum and PrimaLoft One insulation this thing is extremely wind resistant and water repellent. It has a very slim fit and feels really well built. Usually I wear a large, but Rab is a little different, I wear a Medium and I am 6'1" and slim and Medium is a perfect fit. With the Xenon X's lightweight and synthetic insulation it has quickly become my favorite and go to mid layer. My one complaint with the jacket is the hood, it has a strange box stitch to it which makes it practical for skiing and snowboarding because it fits over a helmet but is very unappealing. I do really love how it fits into its own chest pocket and compresses extremely well. All in all, I highly recommend this to anyone looking for an extremely solid and warm mid layer.

Put it like this, if this jacket were stolen or lost, I wouldn't hesitate to replace it.

5 5

Atom LT alternative

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

Fit, finish, and warmth seem very similar to the Arc'teryx Nuclei and Atom LT. It's super lightweight, and for that I'm not expecting durability and will primarily wear it under a hardshell. I'm 6'3" and slender; the medium fits great. Long sleeve length, good in the chest and armpits, and not too athletic-fitting...nicely trim. For what it's worth, Rab's Exodus softshell in the same size was super tight in the armpits, so the sizing is definitely different between the two Rab models. Lastly, it has a huge chest pocket, which I like. "Handwarmer pockets" aren't tricot or fleece...just the pertex with insulation.

Hopefully it'll hold up better than the OR Havoc it's replacing. The face fabric on the inside and outside of the OR really started to wear down after one season of skiing. Not enthused...

will you guys be getting anymore of these in stock, specifically Ebony in Medium? :-D

Responded on

Hey Tucker,
Unfortunately we currently don't have any more of this model ordered to come in, sorry 'bout that!

4 5

Customer feed back.

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

Fit in the torso is and chest is very athletic and the hood fits amazing for being not adjustable . Sleeve cuff fit great but but fabric hangs a little long after a few wears. Lots of PrimaLoft insulation on the front but hardly any on the back.

5 5

Best Jacket I have ever purchased

  • Familiarity: I've used it several times
  • Fit: True to size

I have had the jacket for less than a month, but I have worn it hiking, to work, out to the bar, and also in freezing rain/sleet. It has performed well in all situations. The jacket is amazingly lightweight and compresses down to its own pocket (which I don't intend to use much), but in my gym bag I can put it in the small outer pocket usually used for accessories and pull it out in a moment's notice to get warm after I have cooled down too much outside. I did a few hours of errands jumping in and out of my car into shops and grocery stores and even when it is pretty warm inside, the jacket breathes very well, making it almost unnecessary to take the jacket off indoors if you layer lightly underneath. The warmth to weight ratio claims of the primaloft gold insulation is legit. This jacket holds in much more heat than my 300 weight Mountain Hardwear fleece. The shell is not fully windproof, but does do a good job blocking moderate wind and the finish does repel light water droppings and the jacket dries fast. However, I would still recommend an outer shell for real rain or wet snow. As for Fit; the medium fit perfectly (still allowing room for baselayer and midweight fleece underneath without being too tight). I am 5'10" 185lbs with a 41" chest, muscular arms & shoulders, and a 33" waist. I also tried the large size and it was little baggy and the length of the jacket and arms was a bit long.

In the picture of the jacket, the black one is shown without a hood, and looks like a different jacket. Is this a mistake, or is the black version of the Xenon X actually different?

Best Answer Responded on

Hi Jack,
Sorry for the confusion- that's our bad on the picture! The Black variant is the same build that you see in the Ebony and the Ink, we'll get that all fixed up. Please do feel free to contact me with any further questions or concerns,

Is this an updated version of the original...

Is this an updated version of the original Xenon jacket, or is it a totally separate product?

Responded on

This is an update that builds on the original. It's slightly heavier and has a more durable face fabric.

4 5

Good Jacket; not what I needed

  • Familiarity: I returned this product before using it

I really like this jacket. I've read several favorable reviews, and I agree that for it's specified use, it's probably as good as it gets. However, I mainly use jackets for my daily winter walks, and this jacket was over-kill for me. It's a little too loose fitting, and believe it or not, a little too warm for what I needed. A small was too small, and a medium was too big, so I'm out of luck on this one. It's light weight, looks good, has a decent hood for someone who doesn't need to wear a helmet (fits close to the head to keep wind out). I returned this item and just received the North Face DNP Hoody. I haven't even had the time to "test" it around the house yet, but it's promising. I wish the Rab Xenon X had worked, but it's still a good jacket.

5 5

perhaps the best jacket ever!

  • Familiarity: I've used it several times
  • Fit: True to size

This is my first Rab purchase to add into my rotation and I can not be happier. How can this jacket be so light, so warm, and so comfortable. I am blown away - I have been a die hard Patagoniac for 20+ year. Well, hello Rab! Please be aware Rab has a european cut, fits slim and true to size. btw - Backcountry rocks!!!

Responded on

I am torn between getting a medium or large. I have a 41 in chest, 34 sleeves and 32 waste. Will the medium be too snug?

5 5

Quiver Killer

  • Gender: Male
  • Familiarity: I've put it through the wringer
  • Fit: True to size

I bought this jacket after I had a MB UL Down wet-out on me on a snowshoe trip. I was looking for something that was light, packable, but would hold up to nasty winter weather. The Xenon X delivers in all these aspects as well as others. To start, the materials, cut, and construction are top notch... clean, comfortable finishes around the neck and wrists and excellent articulation in the arms and hood. The large size of the napoleon pocket was a pleasant surprise as you can stash goggles or a map in there. The jacket is warm for it's weight, but don't expect it to be a furnace as my other 80/100 gram jackets are definitely warmer. If you are looking to compare this jacket with others, I'd say it's like an Arcteryx Atom LT with insulation instead of stretchy side panels, more weather resistance, and a better hood. The fit is much more refined than the boxy Patagonia Nano series and the materials are higher quality. It's one of those jackets that you'll be reaching for 90% of the time. It certainly lives up to the hype that surrounded the original Xenon.

Update- I've now had many many days out with this jacket and it continues to be exceptional. What I've found is that the jacket provides much more protection that I was initially thinking. Several times I've been out in freezing or nasty near freezing conditions with heavy snow and wind and have grabbed this jacket. I had been fully expecting to get some protection form it and then have to add a hardshell, but I have never encountered conditions that threatened to overwhelm the jacket. This jacket is way more trustworthy than it's 14oz weight would suggest. I continue to love it.

5 5

Simple, light, warm and good looking!

  • Familiarity: I've used it several times
  • Fit: True to size

I have had several light down and synthetic jackets. This is the best by far! Plus, it looks good! It has a slim cut which fits slim people better than the straighter cut of Patagonia or North Face. Great in wet conditions, packs compact, and warm for the weight. In one month of use climbing and skiing it has completely replaced all my other jackets.

OutdoorGearLab Review

Outdoor Gear Lab's Editors Choice Award.

Responded on

This video review is for the Xenon which is an older version of the Xenon X listed here for sale. I've read that the newer Xenon X is a couple of ounces heavier due to a different shell fabric.