M's Bitterroot 850 Fill Down Jacket

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Clearance: $149.99 Compare At: $400.00

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With cutting edge Super-light Pertex Quantum GL fabric for both the face and the lining, this is the lightest 850 fill down hooded jacket on the market perfect for year round use. The Bitterroot is incredibly lightweight while providing the insulation and warmth you need for those cold, blustery winter nights. It also packs down to the size of an apple so you can easily throw it in your pack for summer backpack outings.

13 oz. | 370 g

Fit: Relaxed

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Pertex Quantum® GL

Similar to spider-silk, Pertex Quantum® GL balances extreme gossamer lightness with high tensile strength. Using this symmetry of the elements, apparel and equipment weight is dramatically reduced without the need for compromise. Pertex Quantum® GL offers the ultimate balance of lightness and strength.

Premium Goose Down Fill

We use premium 800+ and 650+ fill power goose down in different products depending on the design and end-use. Down is still the most thermally efficient insulation available, providing more warmth for its weight than any other insulation available. Down is also superior in its drape, comfort, lifespan, and compressibility. All of our down is renewably managed using a hypoallergenic processing technique.

800 Fill Power
800+ fill power down is more compressible and provides a greater loft to weight ratio than 650+ fill power, and is used in our highest performance down products. We specify a 90/10 cluster to feather ratio for optimum loft and recovery.

650 Fill Power
Our 650+ fill power down is 15% loftier than the industry standard 550+ fill power down and exhibits excellent compressibility and recovery characteristics. We process it to an 85/15 cluster to feather ratio to emphasize maximum recovery from compression.

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Features
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Materials
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Sizing
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Product Care
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Ratings & Reviews

Super-light Pertex Quantum® GL fabric shell and lining
850 Fill Goose Down
2-way center front zipper
Zippered hand warmer pockets
Elastic bound hood and cuffs
Shock cord closure on bottom hem
Internal drop pocket doubles as stuff sack
150g fill weight

25 g/m2 - 100% Nylon (10 Denier) Face with DWR, 850 Fill Goose Down, 25 g/m2 - 100% Nylon (10 Denier) Liner

Insulation

Review your garment's care label for any special care instructions.

Washing

It’s best to hand-wash your down and synthetic garments. Fill a bathtub with warm water, soak the garment, add Nikwax Down or Tech Wash (preferred) or a gentle soap such as Woolite, Ivory Flakes, or Dr. Bronner's Magic Soaps, kneed the soapy water through the baffles, and then rinse until the water is fairly clean. To dry, follow the instructions below. DO NOT DRY CLEAN! DO NOT USE BLEACH OR FABRIC SOFTENER! Small stains such as sap, tar, or oils can be spot cleaned using soap or diluted spot-cleaning solvent (such as Shout or Spray-N-Wash). Move down away from the spot being cleaned.

It is possible to machine-wash down and synthetic garments. First, though, consider the following factors:

The impeller in a top-loader washing machine treats insulated garments harshly and therefore reduces their lifespan.
The perimeter seams (on a synthetic garment) and the baffle seams (on a down garment) can tear, especially when the insulation is wet (and therefore heavier).
Normal household detergents will strip the natural oils from down, and residues from these cleaners will degrade the DWR-finish of the garment shell.
Therefore, if you are going to machine-wash your insulated garment, we recommend that you:
Use the gentle cycle on a front-loader washing machine.
Use a mild detergent such as Woolite or a down-specific soap like NikWax Down Wash.
Rinse the garment more than once. This will remove detergent residue, which will improve overall performance.

Drying

Particularly in the case of down garments, drying is as important as washing. Down clothing can appear to be dry from the outside while, in fact, its core is still damp, which can lead to mildew.

Using a tumble-dryer is recommended.

Place tennis balls in the drum with the garment to "fluff" it up as it rotates.

Commercial dryers have larger drums than home machines and are therefore preferable if several garments are being dried at the same time.

During the drying process, periodically check for lumps; redistribute down by pulling clumps apart, gentle massaging, and adding drying time.

If you air-dry your down garment, remember to shake it regularly during the drying process to prevent clumps from forming.

Restoring DWR Finish

The DWR finish can be degraded by normal wear and tear, as well as exposure to contaminants such as oil, dirt and detergent residue. (Detergents strip the DWR finish by leaving water-attractive molecules in the face fabric.) When a DWR finish is degraded, the garment will not shed water as effectively, causing the loft of the insulation and its ability to keep you warm to decline when it gets wet.

Using after-market spray-on treatments such as Gore-Revivex or Nikwax TX.Direct can restore water-repellency.

The effectiveness of the treatment can be enhanced by placing your garment in a dryer with low heat after application.

Average Rating:

(based on 30 reviews)

Showing 1 - 5 of 30 Reviews:

by Patrick
on 4/2/2013

The Mercedes Benz of Downwear

Excellent jacket have had it out on three trips now two trips during Winter at 20 degrees on at 32 and it was perfect. The hood is the best and moves with your head as you turn. This is by far my best gear purchase to date. Thx GoLite!

by Guenica
on 3/13/2013

a reliable pal

I'm almost not looking forward to warmer weather this spring since I'll have to take this thing off. To back up, this is a purchase I made this past fall. I was initially skeptical of its durability given the ultralight fabric, but found a good price, and it was immediately comfy, so I went for it. Since then, it's only been reluctantly that I've taken it off at all. If I could have it fused to my torso I'd think about it. In addition to being cozy and warm, the fabric has proven itself to be amazingly tough, and several times on night-adventures I've ended up snagging it on blackberry thorns. "Uh oh" I thought, "there's the first hole in my jacket." But no! Careful examination has revealed no holes! I tend to be very hard on my clothes, and long term durability of course remains to be seen, but so far I'm extremely impressed. Job well done, Golite.

by Matt
on 1/24/2013

Smoking Toasty!

I recently acquired the Bitteroot for snow camping. After working through concerns of the durability of the Quantum Pertex GL, and using it in the field I have to say this is a WINNER! The fabric held up as expected to the duties of backpakcing through the snowy wilds as well as offering complete thermal comfot in the -2 to 5 degree F range. I layered the Bitteroot over a primaloft hooded jacket while cooking in the evenings. No problem! It's weight (lack of), compressability (excellent) and insulation (Superb) kept me warm and cormfortable over 2 days and 17 plus miles in the Mt. Washington Wilderness. The fit is great, with adequately long sleeves and torso lenght, plus enough room for the jacket to fit over a mid layer wihtout complressing the loft (which is key to staying warm). The hood worked well for me, over a midlayer hood and beanie, following my movements. I'd highly recommned this jacket! GoLite's quality, features and price are hard to beat!

by Samuel
on 1/16/2013

Good but some problems

The jacket is good by the hoodie by far is unusable. When you have the hoodie on, and turn your head to the right, the hoodie stays in place facing forward. This makes turning your head useless, so you will constantly have to turn your body physically around to look right or left. Also, I have had many feathers fall out. It is really annoying. Though, this jacket is by far warmer than my insulated ski jacket. Wouldn't recommend unless your head faces one direction.

by Jordan Eyre
on 1/11/2013

Still toasty when all is FROZEN!

Lightweight and stylish, this coat is one of the warmest I've ever owned. It keeps pace with my expedition parkas, and doesn't leave me feeling weighed down when it's stowed away in my pack. I took it out on a snowshoeing/camping trip in American Fork Canyon, UT at -3 degrees F. I wore the coat inside my -4 degree F sleeping bag and got hot, so I unzipped the bag halfway down. I was still toasty all night long in just my Bitterroot and a fleece sleeping shirt. The hood is unobtrusive and is a lifesaver when that wool hat doesn't quite cut it. It is amazing how warm it gets as soon as the hood is put up. Complaints? None, whatsoever. The zipper is difficult for some because it is a double zip, but once you get the hang of it (2-3 times), it becomes easy. I have never had a single feather come through, and the super-thin Pertex Quantum-GL fabric is very durable. Buy this coat and love it forever!

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