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Updated with additional MicroThermal Insulation insulation for greater warmth, the Mammut Stratus Hooded Jacket is light, compressible, and extremely functional for all your mountain endeavors. The MICRO Lite Tex outer shell, that is windproof and highly water-resistant, provides for a jacket that is only 31 oz. in weight, highly compressible, and super packable. An attached helmet compatible hood that is adjustable, is complemented with two handwarmer pockets with hooded zippers and stretch-mesh lining, thumb loop and back-of-hand warmer, and adjustable hem to protect against inclement weather. Functional features include two zip front pockets with elastic net lining and zipper garage, external vertical zippered breast pocket, two spacious inner pockets made of elastic net lining.
Efficient synthetic fill gives this affordable insulator a broad climatic range. The Mammut Stratus Hooded Jacket has warm-for-the-weight proprietary insulation that holds in personal heat and a Micro Lite shell that repels wintry weather at camp or in town. Specifications based on size large.
The Stratus Jacket by Mammut is a super comfy, excellent layering jacket or can be worn alone in milder conditions. This jacket is notable for its lightness, small packing volume and excellent heat retention. With 60 g of MicroThermal Insulation as its filling weight, you use in place of heavier, bulkier fleece for equal warmth and then stash effortlessly into a corner of your pack when not needed.
The Stratus stows in its own pocket and is a highly effective piece when put under a hard shell for full weather protection or wear it alone as a light layer when bouldering or climbing.
Mammut Men's Stratus Down Jacket is a slick jacket that can be used as a layering and insulating jacket or can be worn on its own on those cold winter days
Crafted with Mammut's exquisite attention to detail and priced better than most of the competition
60 grams of high performance MTI filling weight guarantees good insulation and long lasting warmth, perfect in anaerobic activities such as taking shelter, long climbing belays, or around town style and comfort
Complete with 2 side pockets, 1 breast pocket, a 2 way front zip, Lycra cuffs, and Adjustable hem

The Mammut Stratus Hooded Jacket is very light and warm, thanks to 240 grams of Mammut's proprietary MTI insulation. This belay jacket is very packable yet has plenty of insulation. Stows in its own outside pocket. Can be worn separately, or as an additional layer of insulation.
The Mammut Stratus Jacket is very light and warm. With a fill weight of 60 g MTI®, this jacket is very packable yet has plenty of insulation. Stows in its own outside pocket. Can be worn separately, or as an additional layer of insulation.
Zip up this Ajungilak by Mammut's Stratus jacket, and you'll feel like you're nestling into your favorite backpacking sleeping bag. Lightweight jacket has nylon mini-ripstop shell and lofty and compressible synthetic insulation.
| Available Colors: | Black-Graphite |
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| Face fabric: | Nylon |
| Fill Weight: | 60 grams of MTI filling |
| Insulation: | Polyester |
| Material: | 100 percent polyester |
| Materials: | 100% polyester |
| Weight: | 1 lb 13 oz |
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View other products from Mammut classified in Men's Clothing > Jackets & Vests. View all products from Mammut.
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Sometimes, we can't be sure that the product is the same across the stores that offer its, so you may find the same product listed more then once on GearBuyer.com, we these list highly similar products below.
| Mammut Stratus Jacket - Insulated | $103.95 | |
| Mammut Stratus Flash Jacket | $188.95 | |
| Mammut Stratus Hybrid Jacket | $154.95 - $166.95 |
Sometimes brands make complementary products for the opposite gender that coordinate with this product, we also try to show these products below.
| Mammut Stratus Hybrid Jacket - Women's | $139.95 - $238.95 |
This product is available in the following colors:
Click any color to show the product in that color
| Black / Fire | Berny Blue Lapis | ||
| Paprika/ Coffee | Black Graphite | ||
| Mustard / Graphite | |||
Use this chart to find which retailer offers this product in the size, color or other options that you desire. Click on the price to purchase.
| Size | Color | |||||
|---|---|---|---|---|---|---|
| Paprika/ Coffee | Mustard / Graphite | Berny Blue Lapis | Black Graphite | Black / Fire | Black / Graphite | |
| Extra Small | 152.95 | 152.95 | 109.97152.95 | |||
| Small | 130.99 | 152.95 | 148.95 | 148.95 | 109.97 | |
| Medium | 152.95 | 148.95 | 148.95218.95 | 148.95 | ||
| Large | 152.95 | 152.95 | 148.95 | 148.95218.95 | 109.97 | 148.95 |
| Extra Large | 152.95 | 152.95 | 148.95 | 148.95218.95 | 109.97 | 148.95 |
| Extra Extra Large | 152.95 | 152.95 | 109.97 | |||
TahoeMountainSports.com offers this product at $148.95, but does not provide any color/size information.
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Extremely warm for its weight | |
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| This jacket seems to be sized too small - compared to several other similar coats, I had to get this one in the next size up. Especially if wearing a fleece layer underneath. Also the length could be a bit longer (I am 6'5" though). The hood tightens from the back - not obvious at first, and does not completely tighten around the neck area. The zipper is a bit awkward to start, especially with gloves on. However, this is a very warm coat overall. Took it hiking in 5 degree weather and had to partially unzip it a few times. Very comfortable and lightweight. | |
| Eric at Mountain Gear on 01/24/2009 | |
Stratus Hooded Jacket | |
| Rating: | ![]() |
| I got the Stratus to fill in a hole in my jacket quiver, and it fills the hole nicely. The sizing is a bit small, which I anticipated, and the Size L fits my 6'3" 175lb snugly. The sleeves are just barely long enough. The lefty zipper is a bit odd to get used to but works just fine. The one gripe I have is that the handwarmer pockets are entirely outside the insulation making them less good at handwarming. | |
| sambo at Mountain Gear on 09/27/2009 | |
Portable comforter | |
| Rating: | ![]() |
| As an insulator it does not get warmer than this, the superb fit retains every bit of body heat and the windproof ability really protects also, wore in extreme weather and was not disappointed. So confident at my comfort level I had my outer hard shell unzipped in twenty degree weather. It is waterproof as claimed so it can be worn alone. Cannot think of any cons besides it my need more pockets, but it serves it's main purpose wonderfully. | |
| Urban trekker at Mountain Gear on 02/01/2009 | |
Finally | |
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| I have been looking for this microfiber insulated jacket for years. It fits perfectly inside my Mammut Shell. The thumb rings are perfect for making sure gloves/mittens interaction is seamless. Plenty of loft to keep you warm on any cold day. I use as a layer to keep me warm (not dry, that is what shells are for) while skiing or hiking mid winter. I can't say anything negative. | |
| Mr. A at Mountain Gear on 10/06/2009 | |
A Must have piece! | |
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| I have used this piece for backcountry skiing at -5f and have skied with it at +2 at the resort. I had to do duty as a starter for a ski race when the temp was hovering around 0 all day and I stayed warm every time. Big water bottle pockets inside and small but useful pockets elsewhere. the hood is not big enough for a ski helmet . | |
| Revrundtelemark at Mountain Gear on 01/26/2009 | |
Great for camping or anything | |
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| I wear this camping, hiking, and walking the dogs at night when it drops below 30. It fits well under my hardshell. I would give it 5 stars, but I think the storm flap could be sturdier and maybe micro fleece around the chin. Other than that, you can't ask for more in a jacket. | |
| Anonymous at Altrec Outlet on 03/06/2009 | |
Warm and Toasty | |
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| I wear this jacket by itself and under my hard shell. It has proven itself to be very warm. The zipper is sometimes hard to start and undo. The weather guard could be stiffer and the chin lining could be micro fleece. Overall I am very satisfied and would not change my choice. | |
| None at Mountain Gear on 01/28/2009 | |
Solid Overall | |
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| On the bulkier side, but warm and effective. The main zipper is a bit difficult to start and it's left handed. The hood tightener doesn't keep the wind out completely. The fit is on the snug side. Love the cut, warmth, and fleece lined pockets. | |
| Freezer at Mountain Gear on 07/23/2009 | |
Wonderful!!! | |
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| Absolutely wonderful. Fits like a charm - European sizing - so smaller than American sizing. Feels very warm and comfortable and completely worth the [$]. | |
| collegeMainer at Sierra Trading Post on 10/19/2009 | |
Functional and stylish. | |
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| This jacket is great for just about anything. Perfect "mild winter" jacket, awesome belay jacket, and a great lunch stop jacket while hiking. | |
| Willie Cornett at Rock/Creek Outfitters on 12/09/2008 | |
very poor hood design | |
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| Rather puffy, looks like it would be very warm, has alot more filling than other synthetic jackets. The single pull hood cinch that Mammut uses does not work well on the Stratus jacket,(I have a Mammut Blackburn from STP and the single pull cinch works ok, not great, with it), it does not tighten the hood around the head/face, only pulls the hood back, about eye level, away from the face, really poor design. Otherwise looks like a good jacket. I only say it runs small, as it is ero sized which tend to be made on the trim side. I order all ero clothing a size larger. I returned it due to the hood. | |
| JCG at Sierra Trading Post on 10/05/2009 | |
Stratus has strung | |
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| Very warm Jacket. Great for belays. Runs small. I usually take large and I took xxl in the stratus jacket. The reversible zipper is nice, but it is rather hard to get the zippers to align and then in turn zip up. Could have a better zipper system. The zipper slide is on the left hand side rather than on the right. I believe that this reflects European craftsmanship. | |
| RP at Mountain Gear on 02/02/2009 | |