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Description

We know you have a puffy jacket; don’t make your lower half jealous.

For high-altitude climbs or frigid nights in camp, the MontBell Men’s Ultralight Thermawrap Pant insulates your lower half from the biting chill. Stuffed with compressible Exceloft synthetic insulation, this pant keeps you toasty even if it happens to get wet. 3/4-length side zips let you pull it on and off quickly, and zippered hand pockets hold your small items.

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MontBell Ultralight Thermawrap Insulation Pant - Men's

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Here's what others have to say...

Unanswered Question

what is the sizing for these pants? I...

Posted on

what is the sizing for these pants? I usually wear a size 34 pant. Are these pants sized large or small.

Unanswered Question

Looking for a backup/emergency layer to...

Posted on

Looking for a backup/emergency layer to carry when ski mountaineering. Looks like these would top the Rab Photon Insulated Pant. Could anyone who tried both weigh in? Thanks.

4 5

Good lightweight puffy pants

These are lightweight insulated pants with 3/4 zips, a zippered fly and two hand pockets. I use them in fringe seasons to boost the warmth of my sleeping system (particularly when I use a quilt) and in the winter as around-camp insulated pants.

I wish I would have gotten a larger size because I have trouble fitting them over my softshell pants (in winter) without compressing the insulation. However, they fit nicely of my baselayer bottoms and I do not compress the insulation then. As such, I usually spend the few minutes in camp in winter to remove my softshell pants and put on these, despite the issue of removing my boots and/or gaiters (depending on my footwear choice).

Like all MontBell insulated garments, the DWR is supurb. The fabric is wispy but durable. The tech specs @ Backcountry say the pants used 80 g/m^2 insulation, but that is not correct. Montbell uses 50 g/m^2 insulation in these pants (and their synthetic Thermawrap vests and jackets, too. MB uses the 80 gram weight in their Thermawrap parkas).

With full zips, these would be an easy five stars. But alas...

5 5

4.5 stars

It's too bad that these do not have full zips. The side zippers do go up way high (like 8-9 inches from the waistband). I'll try to remember to update this review when I get time to try them on with boots & crampons. The weight of these is what has me hooked. It's *half* the weight of the Mtn Hardware Compressor pants (which are also awesome) & takes up way less space. If trying to decide b/t this & MH, consider if the destination is cold enough to want to carry the extra 10 oz. I got the small. I just tried them on & they fit nicely over my jeans. Not too tight & not too much extra room. I'm 5'8" 135 ibs, wear a men's S in Prana Zions, usually S or M in Patagonia W's pants, 6-8 in MH W's

4 5

MB Ultralight Thermawrap

Just got my Ultralight Thermawrap Pants, can't wait to try them for real.I got this as an extra warm layer on mountaineering trips/expeditions. The pants seem warm enough for use in the mountains and are large enough to fit over other layers (i'm 6'4/170 and got the XL). Off course they're also very light!When I ordered the pants, the website said they had full side-zips, when in fact they are 7/8-length zips. Backcountry has adjusted the info on the site and has dealt with the situation quickly and fairly.Full-length zips would have made these pants better though.Edit: I summited Aconcagua on 12/2/2010 wearing these pants under my softshell pants. Under the thermawrap I also wore BC.com powerstretch pants. Everyhting combined I was more then warm enough. Never cold.Size XL weighs 343 grams.

Responded on

Have you had the chance to test these pants in the field yet ? How warm do you think they are ?

Responded on

Full zips are unnecessary and make the pants more fumbly and complicated to put on in the field. Ever tried putting full-zip pants on above treeline in the wind? I love 3/4 zip pants (Mtn Hardware, Arcteryx have them too). Unzipped I can easily stick my size 11 boot through, even with crampons if I am careful, and will have the pants on before I've figured out which side zips to what in a full-zip pant. They also save having zipper bulk and stiffness under your climbing harness or pack waistbelt. They also won't inadvertently unzip from your waist - which you usually find out when you get a cold snow injection.

Responded on

I have worn these pants in winter conditions in MN down to -20F. I had sufficient layers on elsewhere, too.