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The Arc’teryx Men’s Hyllus Fleece Jacket combines a shaggy high-loft interior with a smooth face fabric to ensure both excellent warmth and great moisture management. While this fleece sheds snow like a champ, it remains breathable enough to keep you from overheating during a ski tour. You could definitely use this Arc’teryx top on its own for skiing under clear skies or just about any day on the trail.

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Great Jacket, to bad it doesn't fit

  • Familiarity:I returned this product before using it
  • Fit:Runs small

The concept of the Hyllus jacket is great. Put in lots of insulation to keep you warm on really cold days on the ski hill. I think this jacket would be perfect, except the arms in it are so small I can hardly get into them with a thin tight under shirt and a tight 200 layer fleece. I am 6,2 and weigh 200 pounds. I normally wear a large in just about everything. The torso seems just right, unfortunately the the sleeves are just to tight.

Great Jacket/Layering Piece

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

Bought this primarily as my lighter layering piece for inbound skiing. Discovered it's incredibly warm and better used for heavier layering. Lots of pockets in and out. Very flexible, comfortable and utilitarian. Draw cord hem is really nice and the pockets are backed with an open fabric that makes them capable for venting during Spring skiing. A little pricey. If you can find one on sale, go for it!

Versatile piece

    Sure it might be viewed as 'an expensive fleece' but it has distinct benefits over your common-all-garden fleece. Firstly, it looks smarter and it fits more like a jacket than a sack. Secondly, it offers some valuable wind/rain protection. It is less likely to become decrepit. It slides nicely under a shell. It was pressed into service under my Norrona shell at Alta during 2 storms which rolled in 02/20/2013-02/26/2013 (a fortunate time to be at Alta!). Worn with a 260 Icebreaker, the 45 mph storms didn't stand a chance. Additionally, it can be worn casually too. Get one!

    Cool looking jacket but overpriced

      Pros: Nice design; plush fleece inner; good fit



      Cons: doesn't really work as a layering or stand alone piece



      The hyllus seems ok for fall/spring wear around town, but I ended up returning mine. I'm 5'11" 180 and the M fit well.

      "Pretty Cool"

      • Familiarity:I've used it several times

      I guess the overall rating sums it up. It's a great piece that I use as a soft shell. It provides more warmth than I expected, but no complaints here since it still seems to breath well with moderate activity.



      I'm 6'1" 170lbs and the medium fits well with enough room for a base layer and a light mid-weight if you really wanted to get toasty. I guess I agree with other reviewers' assessment that this jacket is an unusual mix between a soft shell and mid weight layer, but I don't see why that is such a negative. Also, the construction on mine is fantastic. All of the seams are clearly well stitched and the zippers are perfectly functional.

      Recommend, as a layering piece

        Arcteryx is such solid gear, you absolutley get what you pay for. If this jacket is in your price range pull the trigger. This jacket is best worn under a shell in our cold Northern Michigan winters, it breathes while locking in great warmth. I always wear this jacket with a wool snug base layer like an Icebreaker 260 or smartwool. If the wind isn't riping you can wear this jacket in the teens with a quality snug baselayer and still stay comfortable.

        If your looking for the best all around jacket the Arcteryx Beta AR is the real ticket. This jacket is a great compliment underneath but without a solid shell this jacket does have it's limitations.

        I am a pretty big guy six foot four inches 220 pounds, I wear an XL. The fit is perfect I can still wear a snug base layer under, so I can wear the jacket in colder temps. Hope this helps

        not a midlayer

          I had this jacket for about a month before returning it. This is easily the most overhyped piece outdoor gear I have ever purchased. I'm sure the fabric is expensive, but that doesn't really mean anything on its own.

          Things that I just couldn't get over and led to me returning it were (in no particular order): zipper seemed chintzy and would "catch" right at the bottom when unzipping, "chin guard" is a joke and is not a chin guard (seriously chaffed my facial hair), comes wrinkled and gets wrinkled easily and after a month the wrinkles (creases) that were there when I took it out of the package were still there, its not very warm, stitching off in places zipper was crooked, and probably the biggest gripe I had with it WAY TOO BAGGY TO BE A MIDLAYER.

          Seriously, this jacket is not a midlayer, its a light shell that is warmer than most shells that is highly breathable and is not restricting at all. Dont get me wrong, this jacket could be seriously awesome for some niche uses but even then is it worth it? I personally don't think so, but obviously a lot of people think its worth it even just as a casual garment. Which btw I do like the look.

          If your looking for a midlayer with warm fuzzy interior yet not that shaggy monkey man exterior like I was, take a look at the Montane Jaguar. I picked one up instead of this and it is miles better (for many reasons) as a comfortable and warm midlayer.

          Not enough jacket for the price

            Not enough Jacket for the price. I got this in the mail the other day and instantly was worried at how light the package was. (I guess I don't have a reference point for a jackets weight in oz. till now) I was expecting the jacket to be the love child of a heavy soft shell and mid weight fleece. This jacket is if anything a light soft-shell with a light fleece. Slash a $100+ off this and it might be worth it. It doesn't even have wind stopper/proof material. (I wasn't too worried about this when I purchased it because I figured it was just a heavy winter jacket that would stop all but serious wind.) Also not sure if I have a defect on mine but just above the chest pocket is what looks like a healed scar. As in instead of sowing the internal mesh for the chest pocket in, they glued it and it affects the outer layers smoothness. So all in all I like the jacket for what it is but don't like it for what it costs

            Not quite a jacket, not quite a fleece.

              If that's what you want, then great - the bc.com description hit the nail on the head. On a recent hike up Mt Wittenberg in the Catskills in about 30 degrees, I threw this on when we got to the summit (about 25 and windy) with a light shell and felt pretty cozy. I tend to run warm, so didn't really need it on the way up (although appreciated it fully on the way down when the sun dropped and we were doing some night hiking).

              The fabric is definitely breathable, almost to a fault because the fuzzy lining generates heat without keeping out enough of the wind to make it a true stand-alone jacket, but it works really well as a mid-layer (which, btw, it was built for).

              Not sure it's worth retail price (I've seen it on sale in a lot of different places), but would definitely recommend as a solid mid-layer that can stand on its own in the 30s

              Great Jacket!

                I am a contractor in Iraq and needed a jacket for the windy cool winter months. It is of very high quality materials and it is unbelievable how warm it is for its thickness. I wore a t-shit under it and stood in 20kt wind at 35F for an hour was comfortable. I have washed it many times and it has not changed sizes one bit, the fuzzy fleece inside is as soft as the day I bought it. It also beads water off like it was made of grease.
                The only thing I don't like is the sleeves, the forearm part of the sleeve is tight, very tight. I can't even wear a watch. If I even try I can't get the sleeve back to even look at the time. I know it is for warmth but it makes for a weird looking jacket and an odd fit.

                Awesome jacket

                  This jacket keeps me very warm and sometimes TOO warm when I am outside on cold days. The fleece on the inside is very very soft and looks amazing (the Deep Dusk color with the orange fleece inside is pretty incredible). I love how Arc'teryx contrasts colors to make their clothing stand out even more. The Hyllus Jacket provides very good insulation and the outside fabric even sheds lights amount of moisture, although it is definitely not waterproof. If you have the budget then but it!

                  Amazing jacket

                    Very warm, windproof, water resistant, and very stylish, it looks awesome! I used it at temps between 28 and 45 deg F... all I had underneath was a t-shirt and not problem. What an awesome jacket!

                    Pros: everything you can think about.
                    Cons: sizes run small, so just get one size bigger.

                    Really warm

                      I wanted a mid-weight layer to ski in the Lake Tahoe area. The quality and construction are top notch. The same high quality that I've come to expect from Arcteryx. The deep dusk color is very nice (I like the contrast the orange provides.)

                      Unfortunately for me it turned out to be too warm. If I still skied in Vermont, it'd be perfect. However, over here it was overkill. I went with the Atom LT instead.

                      If you need a really warm mid weight layer, you can't go wrong with the Hyllus.

                      not up to normal arcteryx quality

                        have to agree here with the other poor reviews here. i have an arcteryx shell that is awesome. super high quality construction and attention to detail - best shell i own. i ordered the hyllus jacket as a mid layer and was very disappointed. there are definitely quality issues. the stitching is messed up and uneven, which stretched the fabric and makes the jacket hang poorly. was shocked at the poor quality here. the liner is super soft and comfortable but thats about the only positive i see...

                        I want to buy an arcteryx shell (I'm...

                        I want to buy an arcteryx shell (I'm thinking the theta sv) and I want to get a fleece to go under it so I can wear it like a 3 in one jacket. Since arcteryx does not make a 3 in one would this be a good choice to achieve the 3 in 1 effect?

                        An excellent choice. This combo will give you the ability to have just the right weather protection across a huge range of conditions, especially on the wet/cold/windy side of the spectrum. The Theta SV and Hyllus are really durable, both in concert and solo. They were designed to work together like a 3 in 1 but with less weight, and better fit.

                        Thanks Brandon, any suggestions for something to wear under the theta sv for when it's not so cold out say when it's between 35 and 50 degrees? I already own a patagonia R3 High loft fleece jacket maybe that would be best?

                        The R3 might be a bit warm. 2 suggestions - 1) if you're on the move, you won't need something under the SV besides a nice baselayer (wool or capilene). Other than than, any 200-weight fleece would do just fine in my opinion. I typically use the hyllus with a wool baselayer and a OR light shell. Only ever use the 3 together when we've stopped and its windy and cold (sub 30). Around the city I find I can just toss the hyllus over a flannel and be fine to right about 35. Still works fine below 35, but if it's windy you'll feel a decent chill

                        Is it true that this jacket has a fleece...

                        Is it true that this jacket has a fleece weight of 200 while the hooded version has a fleece weight of 300? Any insight would be much appreciated.

                        Thanks, Ian

                        It appears that the Hyllus Hoody offered by Arc'teryx actually has quite a weight difference from what is listed on backcountry.com. According to Arc'teryx it uses a 600g fleece, and the jacket utilizes a 544g fleece. You can view additional information about these two products via the following links:

                        Hyllus Hoody: http://tinyurl.com/bothubm

                        Hyllus Jacket: http://tinyurl.com/c4yh79u

                        The "fleece weight" can be misleading on this jacket. It uses a highloft fleece which is lighter, but warmer than traditional fleece. Both the jacket and hoody use the same weight fabric.
                        For real world comparison, when worn under a shell jacket, the Hyllus is equivalent in warmth (or maybe a touch warmer) than a traditional 300 wt fleece, but less bulky. When worn as the outerlayer, it's much warmer due to the weather resistant face fabric.

                        I have to say I disagree with Brandon's comment about the warmth of this jacket. This is a soft shell jacket and as such it is not nearly as warm as a 300 weight fleece. I have an old 300 weight Sherpa Adventure Gear fleece jacket which I compared this jacket to for warmth and it is not nearly as warm. Even stand alone the Sherpa fleece was warmer unless it was windy. My personal take is that the warmth of this jacket is very overstated by people trying to justify the cost and their purchase. One big problem is this jacket is so loose fitting it doesnt hold heat close to your body at all. Its really just poorly designed.

                        I am buying the new Arcteryx Mako ski...

                        I am buying the new Arcteryx Mako ski jacket...I am thinking of using a Under Armour or Hot Chylis underwear as a first layer and then the Arcteryx Hyllux fleece as a mid layer underneath the Mako ski jacket ...is it ok or its to much for skiing in Whistler in December?

                        Your going to be pretty toasty with the hyllus underneath an insulated jacket. The hyllus is equivalent to a 300wt fleece. Depending on how cold you get a 100 wt fleece should be plenty or lightweight.breatheable softshell. At least with the Mako if it gets too hot you will be able to vent some of the heat with the pit zips.

                        Can anyone clear things up for me for fit?...

                        Can anyone clear things up for me for fit? I have read thru numerous reviews on the Hyllus; some say it has a loose fit while others claim it has an athletic fit. It is listed as “relaxed” fit on the spec. I am confused with these contradictory claims. I have a small frame weighing at 135 lb and standing around 5’6” so naturally I wear a size small for most jackets. Unfortunately, Arc’s does not make a XS so I will have to be stuck with a small if I get one. The only Arc’teryx I have had is the Crossbow, which was humongous (in small) for me to say the least despite everyone claims that Arc’ stuff are designed for form fitting. As a reference, I am wearing a size small Mountain Hardwear Alchemy, which is one of my favorite outerwear pieces in the closet, as it seems to be tailored to fit my small frame. Does anyone have both the Alchemy and the Hyllus that you can compare them for me size wise? The Gamma MX is also on my list. The Gamma MX is listed as “athletic” fit on the spec, which sounds like what I want, but I am concerned that it has long sleeves for being a climber’s piece, as I absolutely hate to have excess material on my arms. Any insight you can provided on this subject will be greatly appreciated. Thanks!

                        I've worn all three of these jackets for many days. The Hyllus is a close fit jacket, designed to fit under a shell and be worn alone. The Crossbow is the loosest fit of all the Arc'teryx jackets, so it's no wonder it was huge on you. And the sleeves on the Gamma MX are longer than the Hyllus by about 1.5 inches.The fit of the Gamma MX and Hyllus are very similar in the torso.

                        Brandon:
                        I appreciated your respond to my post. I just got my Hyllus this afternoon and I have to say that you were way off to call this jacket a "close fit". Perhaps your definition of a "close fit" is different than mine. The small Arc'teryx Hyllus I just got has a very loose fit and I believe it is an accurate description listed on Arc'teryx's website. It is listed as "relaxed fit". Not only the Hyllus has a loose fit, it is very baggy around the waist compared to the shoulder. In another word, it is kind of tapered outward from the shoulder, making it look really bad to wear, as it portrays an illusion that one is being overweight. It looks to me like Arc's jackets are designed for overweight people, as both the Crossbow and this Hyllus that I have had firsthand experience with show prove of that. So much for form fitting that most reviewers claim! Take a look at Altrec's website, as it has a life model wearing the Hyllus with the hem clinched to the max. This jacket will definitely going back to the retailer. FYI, I have numerous jackets in size small both in Pro-shell and soft-shell varieties from Marmot, Mountain Hardwear, and Patagonia, and never had a problem with the fit like I have with Arc'teryx. This means I do not have an irregular body size, it just Arc's jackets are pretty much out of whack form fitting wise.I have to scratch my head to try to figure out how the hell did so many positive reviewers think this is a great form fitting technical piece. Have these people ever look at another technical piece from a different brand for a comparison? Are these people raving about Arc'teryx's jackets just because of the name disregarding how they really fit? I am greatly puzzled! I have also uploaded a picture of the Hyllus I got onto this thread for your viewing pleasure. Thanks!

                        Brandon:
I appreciated your respond to my post. I just got my Hyllus this afternoon and I have to say that you were way off to call this jacket a "close fit". Perhaps your definition of a "close fit" is different than mine. The small Arc'teryx Hyllus I just got has a very loose fit and I believe it is an accurate description listed on Arc'teryx's website. It is listed as "relaxed fit". Not only the Hyllus has a loose fit, it is very baggy around the waist compared to the shoulder. In another word, it is kind of tapered outward from the shoulder, making it look really bad to wear, as it portrays an illusion that one is being overweight. It looks to me like Arc's jackets are designed for overweight people, as both the Crossbow and this Hyllus that I have had firsthand experience with show prove of that. So much for form fitting that most reviewers claim! Take a look at Altrec's website, as it has a life model wearing the Hyllus with the hem clinched to the max. This jacket will definitely going back to the retailer. FYI, I have numerous jackets in size small both in Pro-shell and soft-shell varieties from Marmot, Mountain Hardwear, and Patagonia, and never had a problem with the fit like I have with Arc'teryx. This means I do not have an irregular body size, it just Arc's jackets are pretty much out of whack form fitting wise.I have to scratch my head to try to figure out how the hell did so many positive reviewers think this is a great form fitting technical piece. Have these people ever look at another technical piece from a different brand for a comparison? Are these people raving about Arc'teryx's jackets just because of the name disregarding how they really fit? I am greatly puzzled! I have also uploaded a picture of the Hyllus I got onto this thread for your viewing pleasure. Thanks!

                        I am looking for a mid layer for colder...

                        I am looking for a mid layer for colder weather that can also serve as an outer shell for warmer weather for the Appalachian Trail. I am torn between the Hyllus, Tau, and Gamma MX. Any suggestions or advice?

                        Kyle, Each of your choices would work, however consider a few things. Hyllus is the warmest, followed by the TAU then gamma. Tau is the most breatheable, followed by hyllus, than gamma. Lastly the Gamma is the most weather resistant (windproof/water resistant) followed by the hyllus than TAU.

                        I've used each piece as a mid layer and an outer shell. It will come down to what conditions you plan to use it in during the warmer temps, and what other pieces you may have in your gear closet.

                        If that wasnt enough to confuse you- you can also check out the ATOM series, which are quite versatile as well. Good luck

                        How does this compare to a Patagonia R2...

                        How does this compare to a Patagonia R2 fleece in terms of warmth under a shell? I'm looking for something more versatile. I know the Hyllus would be better alone because it's windproof but I don't want to overheat under a shell.

                        Im 5'8" 170, broad shoulders - 42Reg coat...

                        Im 5'8" 170, broad shoulders - 42Reg coat size. I am trying to decide on a small or a medium..Ive had to sacrifice length for proper chest/shoulder fit with other jackets..what would be best fit for me to not feel like im wearing a spandex jacket.

                        Never heard of the "Hyllus" and apparently...

                        Never heard of the "Hyllus" and apparently none of the reviewers have either...is this a brand new product or simply a new name for the Hercules?

                        I'm curious - I'm gearing up for a future...

                        I'm curious - I'm gearing up for a future climb on Denali, where I will use a softshell as the predominant outer layer until the weather gets nasty. Would people generally recommend something like this jacket or something along the lines of the Gamma AR which uses the Power shield instead of the Power shield O2? On top of this, the jacket will be part of my overall layering system, so I guess I should also throw the Zeta jacket into the mix. Thoughts? I have an Alpha LT that I'll be using for the hardshell.

                        Best Answer

                        I think the Hercules would be perfect for this since it's a better layer (fit, breathable, and insulation-wise) than a Gamma, even though it doesn't provide as much stand-alone protection. If you want the extra protection in your softshell the Gamma MX is a better climb piece than the Gamma SV or the Zeta (it's way more protection and stretch than a Zeta) I've used mine a bunch with the Alpha LT and it's a great system.

                        Brandon and Phil - thanks for the feedback. I've never used any of the Power Shield O2 shells, so I was on the fence. I think there's going to be a Hercules in my future. For the record, I like the Gamma MX, but because of it's trimmer fit, I have to size up to a Large, and then it extends below bottom of the Alpha LT shell. I'm assuming with the Hercules that a size medium will play well with a size medium Alpha.

                        And Phil - you actually got me seriously looking at the Alchemy. It does look like a great jacket, but I just find that I sweat too easily when I'm wearing Windstopper jackets. I agree that it would be an excellent shell, but I don't think it would really be a good option for me personally as a mid-layer.

                        So if I am 5'8" and weighs about 155, I...

                        So if I am 5'8" and weighs about 155, I should go for a small?