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Description

A tough-as-nails bib for those who hate summer.

Arc'teryx gave the answer with the Men's Theta SV Bib. What was the question, you ask? Alpine professionals asked for a pant that would deliver protection from the elements in four seasons of wet, nasty weather. Ask and ye shall receive! Look towards this bib if you need a tough, full-coverage pant for expedition mountaineering, serious backcountry skiing, or alpine climbing.

The Theta SV Bib is built with waterproof breathable Gore-Tex Pro fabric laminated to the N80p-X nylon, sealing out any adverse weather while being a supple and notably soft to the touch. Reinforced paneling of N15-p-X shell fabric in the knees and butt is burly enough for any adventure, and the reinforced Keptrotec instep patch can take a nick from a crampon or two. The high-rise bib is an alpine classic; a streamlined profile with an integrated elastic waist to keep warmth in and snow and drafts out, and a full drop-seat option that does not require removing the suspenders and is compatible with harnesses make it a no-brainer. The Cordura powder cuff seals out the snow, and the full separating two-way zippers let you vent as needed or remove the bib over boots with ease. Now, the only question alpinists are asking is, "What mountain should we conquer?" You're on your own there.

  • Gore-Tex Pro Shell membrane (3-layer)
  • N80p-x shell fabric with 150D reinforcements
  • Full separating two-way zippers
  • Adjustable low front bib with adjustable suspenders
  • Drop-seat design
  • Keprotec instep patch
  • Cordura powder cuff
  • 2 small zippered pockets on bib

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Arc'teryx Theta SV Bib - Men's

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Here's what others have to say...

5 5

We'll built, keeps you dry.

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

After a winter season in Colorado of skiing and climbing, these are a great bib. Bomber construction, they fit well, the superb water profess and breath ability of the gore pro fabric is excellent! Really is guaranteed to keep you dry. They are also light weight and very pack able. If they ever wear out I would most certainly get another pair!
Disclosure: I am a Member of the gore mountain techs community and

5 5

Seasons of comfort

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

From the depths of winter through the end of spring, this bib will protect you from what ever Mother Nature throws your way. To warm, unzip the full leg zips to vent and cool off. If it is a -20 day, there is plenty of room to put on your extra thick pair of baselayer pants to keep you toasty. I have put these through the wringer. They are strong, durable and comfortable. My only complaint is the pocket space. Plan on only fitting a few very small items if that in them. 1 pocket will fit my Iphone (barely) and the other I usually keep a bard or some chews. Fit is pretty true to size. I went with the large over the medium because I do not like a euro fit but I could easily wear the medium. I mostly use these bibs for split boarding but I would use them for any form of mountain travel where snow is encountered.

Size Large Reg
5'8" 170lb
32-33 in waist

Seasons of comfort

arc seems to make a lot of mountaineering...

arc seems to make a lot of mountaineering models. as some features are not developed for skiing, which of their pants has most ski specific features and design. I don't wear harnesses or packs and don't want clothing designed for those functions. I want convenient pockets, zippers, and no features to relieve myself while hanging on a wall. Alpha SV? want 80d minimum

Best Answer Responded on

Hey,

For skiing specific pants check out the Sabre (bib and pant), Stinger (bib and pant) and Stingray (pant).

The Theta SV Bib and Beta AR Pant are also good all-around options.

Hope this helps!

Great comfort all the way to the top

Great comfort all the way to the top

Mt. Superior LCC
Size Large Reg
5'8" 170lb
32-33 in waist

5 5

Great Bib

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

I just picked up a pair of these bad boys for splitboarding. They are awesome. Great protection form the elements in a lightweight durable package. I love the full leg zips for venting. I went up a size because I'm not into the Euro fit. They are baggy enough that they do not ride up.

5 5

High performance in tough conditions

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

Awesome bibs and perform awesomely well in harsh conditions. Pockets are tiny, but I think that's the point (its not a great place for weight when climbing / skinning). Gators seem to be wearing a bit quicker than expected but I have really treated the pants with zero respect. Only small compliant, per the below, is a bit of crotch crunching but that doesn't seem to bother me much when in the mountains. I am 5' 9 1/2", 175 lbs, 33-34 waist and wear an M. Fits great

I am 5'9", 209lbs, 37/30 pants. What size...

I am 5'9", 209lbs, 37/30 pants. What size do you recommend?

Responded on

I'm almost exactly your size. (My vanity would have me order the size L and then return them when I didn't fit into them.... and then I'd freeze my ass off all winter out of spite).

I'd recommend you go with the XL/Short. Should fit slightly loose which ain't a bad thing for ski pants.

3 5

Design Flaw...

  • Familiarity: I returned this product before using it
  • Fit: True to size

I ordered these based on my previous experience with Arc'Teryx. I own several other Arc'Teryx products that I love and use routinely.
The Good- These bibs are extremely light weight and well constructed, the fit is athletic, and they look pretty slick.

The Bad- The pockets... I knew this going in, but it really doesn't hit home until you put them on for the first time. More pockets, deeper pockets, or simply no pockets at all would have made more sense to me.
The bigger issue was one that's mentioned in Cory Akin's review. The suspender length is not enough. Extended all the way out, the Theta SV's still tugged in the groin and went right up the backside every time I bent over. Not fun in my living room, much less fun in the backcountry. I'm 6', 185lbs, size large.

A solid product with some major design flaws. Ultimately, I returned mine and will keep searching.

Responded on

Regarding your complaint about the suspender length, perhaps you should try them in Large-Tall before writing them off altogether. Arc'teryx makes the Theta SV in short and tall and I thought I would have needed the short as I am 5'10 and normally have to hem pants to my 30" inseam, but the medium-regular fits me like a glove.

4 5

Great pant ok fit

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

6'1" 190 lbs Size Large

These bibs are thin, light and durable. I have owned these for a season now and they are my go to bib for most days. I like to layer and that is why I prefer these shells. They have absolutely no insulation, pretty much gore tex saran wrap for your lower half. I have climbed a few times in them but would probably still prefer my soft shell for ice.
The built in gaters are weak and should have been made with a little more quality for Arc'teryx. The vents are ok but i still prefer my old Patagonia Patrol pant vents that came with mesh inside the vent.
I would recommend these to someone who wants a high quality shell bib.

4 5

Sweet bibs

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

These are the first pair of bibs I've owned, and so far I'm pretty pleased. They are lightweight, seem very durable, have nice articulation in the knees. I like the fit for the most part - slim, but not overly tight. A great fit for touring when you don't need extra material hanging around, such as when you are using crampons.
I do feel the pants are a little tight in the crotch, although not bad. Even with the suspenders fully extended, still feeling some pull in the groin while skinning. I went with the Medium, which fits great everywhere else (33 in waist, 5'11" 170 lbs). And I have tried a large, which doesn't fit that well throughout my lower half. So it seems to me this particular pant isn't quite tailored to my body, although not a big deal.
My only gripe, although with a shell pant like this I shouldn't expect too many features, is not having a significant pocket for holding things like keys, wallet, etc when I am hitting up grocery store or gas station before heading up canyon. The pockets provided are fairly shallow and are best suited to a small snack or a multi tool, something of that size.

Responded on

I just took these pants on a hut trip. First time out. I will echo the crotch issue. 6'0 and 185# These things ride up when skinning. It doesn't matter if you loosen the suspenders, they still ride. I am beyond the 30 day return on these, but hope SAC will show some mercy.

What is my best size? I am 5'10" and weigh...

What is my best size? I am 5'10" and weigh 185. Pant size 34 x 32.

Thanks

Responded on

I am 5'10 175lb and I got the Medium. They fit very well (little roomy even). For height and inseam the M will probably work best but for volume you may want a L (depending on how much you intend to layer). I usually only wear some merino tights underneath.

i currently have 5'9; 195 (and loosing...

i currently have 5'9; 195 (and loosing slowly but surely), 36/30 for pants and was wondering what size would be the most appropriate. L/R or M/R? thanks

Best Answer Responded on

Hi Roberto
that depends on how fast you are loosing that weight! (congrats) if your waist is a 36 then a large/regular is perfect, If you see yourself getting down to the 33" waist neighborhood soon then maybe the medium would be a better choice for you. but more room with the large isn't terrible, more freedom and more room for layers

i am 6'3 and have a 34inch inseam and...

i am 6'3 and have a 34inch inseam and a 31 inch wast what size would you recommend

Responded on

the medium long fit should fit you fine, with a little bit more room for layers but won't be baggy.
Hope that helps