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| Men's Clothing > Jackets & Vests | Rated:
by 31 reviews. |
Also available for: Women |

Waterproof, ventilated, supple, three words that describe ARCTERYX's Theta AR Jacket, a reinforced, waterproof, and breathable GORE-TEX Pro Shell jacket that's loaded with weight-savings and waterproofing measures. Micro seams with waterproof tiny tape ensures that you reduce weight without letting any moisture in, carefully placed underarm gussets and a drop back hem provide coverage, and underarm zips give you the venting you need when you're working your hardest. F09 Specifications based on Men's size Medium.
The Theta AR Jacket is Arcteryx' most popular shell. The design brief for the Theta AR was to create the ultimate all-round jacket. It's tough and lightweight with additional reinforcements in all the right places. The Theta AR provides absolute performance for year-round activities where greater durability and versatility are needed without compromise for all technical activities.
The Theta AR Jacket has WaterTight polyurethane laminated zippers on the pockets and venting so you have quick and easy access to them without the added inconvenience of a storm flap. This is a truly crafted piece of outerwear, meticulously engineered with the same high standards already appreciated in Arc’Teryx’s packs and harnesses.

The Arc'teryx Theta AR Jacket is truly a go anywhere, do anything shell. The Theta AR Jacket has been a staple on adventures the world over, it is at home mountaineering, backpacking, skiing, climbing and whatever activity you can imagine that you need unmatched waterproof protection and breathability. Made from Gore-Tex® Pro Shell fabric the Theta AR Jacket can withstand any conditions Mother Nature can throw at you, plus, the long cut of the Theta AR Jacket means more of you will be covered from the elements.

Theta AR from Arc'Teryx is a premier choice for year-round extreme mountaineering—it's made with new Gore-Tex® Pro Shell .
At this point, we’d have thought Arc’teryx couldn’t find yet another way to improve on the Men’s Theta AR—this alpine shell already has so much going for it, from its Gore-Tex Pro material and ultra-thin seam tape to its helmet-compatible hood and high hand pockets that you can get to while wearing a harness. But Arc’teryx did make a slight change for the better: This season’s Gore-Tex Pro Shell fabric is just as waterproof, breathable, and durable … plus it feels suppler and more pliant, so it moves with you even better than before. Open up the Theta AR’s waterproof underarm zippers to stay cool as you break trail for the final summit push, and then seal them tight for your ski descent through fluffy powder—the jacket’s long length helps to stop spindrift from getting underneath this bomber shell.

Long trusted for any alpine encounter, the utility of our best selling jacket is magnified with Tiny Taping, a helmet-ready Drop Hood and top-stitchless exterior wear areas. A roomy internal profile and longer cut deliver appreciated comfort in the backcountry.

Made with the new GORE-TEX Pro Shell fabric our most popular Hardshell has become even lighter and more breathable.
How many years in the line and how many satisfied customers? The Arcteryx Theta AR jacket simply improves with age as any "classic" truly will. New technology and fabrication keep the Theta AR's classic style as cutting edge as ever. Now the Arcteryx is lighter and more breathable than ever, designed to be a rugged jack-of-all-trades for the outdoors.
Made with the new GORE-TEX® Pro Shell fabric Arc'Teryx's most popular Hardshell has become even lighter and more breathable. The Theta AR is designed to be a rugged, jack-of-all-trades jacket for the outdoors.
No description provided.
| Average weight: | 19 ounces |
|---|---|
| Back length: | 32 inches |
| Breathable Rating: | Guaranteed |
| Core Venting: | Underarm zips |
| Gender: | Men's |
| Hood: | Yes |
| Lining: | Nylon |
| Manufacturer Warranty: | Lifetime |
| Material: | Gore-Tex Pro Shell |
| Materials: | 380NR GORE-TEX® 3L Pro 480N GORE-TEX® 3L Pro |
| Pockets: | 2 Hand, 1 chest |
| Powder Skirt: | No |
| Recommended Use: | Mountaineering, alpine climbing, backcountry skiing |
| Seam Taped: | Yes |
| Secondary fabric: | 100% nylon |
| Shell fabric: | Ripstop nylon |
| Waterproof Rating: | Guaranteed |
| Waterproofing: | Gore-Tex Pro Shell laminate |
| Weight: | 19.3oz (548g) |
| Zip-in Compatibility: | No |
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View other products from Arc'teryx classified in Men's Clothing > Jackets & Vests. View all products from Arc'teryx.
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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.
| Arc'teryx Theta SV Jacket | $448.95 - $550.00 | |
| Arc'teryx Theta AR Bib - Short | $399.00 | |
| Arc'teryx Theta AR Bib - Tall | $399.00 |
Sometimes brands make complementary products for the opposite gender that coordinate with this product, we also try to show these products below.
| Arc'teryx Theta AR Jacket - Women's | $249.97 - $475.00 | |
| Arc'teryx Theta AR Bib - Women's | $249.99 - $399.00 | |
| Arc'teryx Theta AR Bib - Tall - Women's | $239.97 |
These are products that have been indicated being comparable to this product:
| Arc'teryx Alpha LT Jacket Men's Clothing > Jackets & Vests | $339.93 - $499.00 | |
| Arc'teryx Beta AR Jacket Men's Clothing > Jackets & Vests | $276.22 - $425.00 | |
| Arc'teryx Beta AR Pant Men's Clothing > Pants | $348.95 - $350.00 | |
| Arc'teryx Beta AR Pant - Tall Men's Clothing > Pants | $349.00 - $350.00 | |
| Marmot Oracle Jacket Men's Clothing > Jackets & Vests | $95.97 - $165.00 | |
| Outdoor Research Seattle Sombrero Men's Clothing > Headwear | $36.99 - $54.00 | |
| Arc'teryx Theta SV Bib Men's Clothing > Pants | $424.95 - $425.00 | |
| Arc'teryx Theta SV Bib - Short Men's Clothing > Pants | $425.00 |
This product is available in the following colors:
Click any color to show the product in that color
| Candy Apple Red | Black | ||
| Teak | Indigo | ||
| Oregano | |||
Use this chart to find which retailer offers this product in the size, color or other options that you desire. Click on the price to purchase.
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Put one on and then TRY not to buy it | |
| Rating: | ![]() |
| I have had this jacket for 4-5 years and mine is the Gore Tex XCR version. The first time that I wore the jacket I was so impressed with the detail in construction. I was so impressed that while flying down a traverse on a powder day at more than 20 MPH I snagged the sleeve on a tree, I freaked out because my new [$] dollar jacket must be ripped. When I stopped and looked at it there wasn't even a scratch! I have been all over the world with this jacket and have seen every type of weather imaginable and there is no other jacket as nice as this one. I am pretty sure that it would survive if it was laying on top of a bomb while it went off. I have had soooooo many other jackets and this is the only jacket that I would never get rid of, EVER. There is nothing like Arctery'x and the price is cheap once you own one and see how it is constructed. I traveled to Vancouver many times for work and have been to the outlet there and now know why their clothing is so expensive. They have the highest standards for perfection in the industry and if a material or even one stich doesn't "look right" they don't sell it to REI or other distributors and put it in the outlet. There really is nothing like these jackets and if you are reading this and thinking about purchasing one do it now, I promise you will not regret it. It's a big investment, but I would have nothing else on when it is dumping in the mountains and I want to get a many runs in as possible without being uncomfortable. I plan to have mine for pretty much the rest of my life. Enjoy! | |
| goneskiin at REI on 05/19/2008 | |
True to form! | |
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| My search for the perfect jacket is over. Far too many jackets these days are made for specific seasons and a very narrow range of conditions. My only hobbies usually take me to the mountains, no matter what the season. I have been searching for a lightweight, packable, waterproof, multi-sport, multi-season, durable shell for a very long time. I wanted a jacket without a liner to avoid limiting the jacket to cold weather, and to allow for layering. I also wanted a jacket lightweight enough and breathable enough to double as a rain jacket. The only thing left is durability. It hasn't yet been a year since I purchased the jacket, so the answer to that question will have to wait. Every other expectation has been met. I started my testing on the ski slopes, and despite the lack of a snow skirt, the jacket performed beautifully. Whether sunny and 50 degrees, or windy and -15 degrees, I was able to have complete control of body temp by just adding or removing layers. Something almost impossible to do with a heavier snowboard jacket. Over the past summer I have spent every possible weekend in the backcountry and have survived numerous downpours without any thought to getting wet. And the breathability. To be able to hike all day over rough terrain, carrying a full load in wet conditions, and remain dry underneath. 'Nuff said. I believe I have found the only jacket I will ever need, no matter what the conditions or the season. You will be hard pressed to find a better jacket. Well worth the price. | |
| rmtrekker at REI on 08/20/2008 | |
Amazing jacket!!! | |
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I have worn this jacket for about a month now and it's an amazing jacket! The higher pockets were a little odd at first but it's such a minor issue. My jacekt is made in Canada which is a change this year because the previous year, they were made in China. The quality is there and if you flip it inside out, you can see the attention to quality. You will get the odd glue spots or an uneven stitch (not stitched in a straight line) but these are minor minor issues...i'm just a little anal and notice these things quite easily. With the function, it blocks all wind and is amazing at blocking out water. It's also very breathable and makes me wonder how the eVent jackets compare. I took about a month to research this jacket and many people have suggested this jacket or anything from Arcteryx because you get what you pay for. I look forward to really testing this jacket out in the winter time. I'm 6'1, 195lbs and an athletic build and I fit medium perfectly. I can still put my Hercules underneath or my Montbell UL Parka underneath if it's really cold. Don't worry about the price, in the long run, it's worth it! | |
| Dave at Backcountry.com on 04/29/2009 | |
Top of the line quality all around | |
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I've owned a boat load of jackets from TNF and Marmot...and certainly they make quality products, but I've yet to find another jacket that performs as well as the Arcteryx Theta. I'm a big guy 6' 230lbs. The XL fits wonderfully for me, not too tight...a bit bulky in the shoulders but leaves comfortable room for layering with my Patagonia R2 fleece and Icebreaker base layers for extreme cold. | |
| Scott Smith at Backcountry.com on 09/19/2009 | |
Be like a turtle, take your house with you. | |
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This is my second glowing review of this jacket in so many years. It's like having a little house you can go inside when the weather is bad, and look out through your little protected window. It's so good that at times in hellacious weather, you can get this confused sensation about things not feeling real, until a gust of wind puts you on your butt. | |
| Sam Reese at Backcountry.com on 09/16/2009 | |
Amazing shell, but for one thing | |
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| I've been looking for the perfect cold, snowy, blowing, everyone else stayed home winter shell. The Theta AR is ALMOST perfect. It's extremely waterproof, windproof, durable, and has a very nice athletic cut (beer bellies wouldn't like this jacket). I just got back from at day skiing at Snowbird in 0 degree, 50mpg wind gusts and sideways snow. The snow beaded off the jacket like it's supposed to, the wind stayed out completely, and I felt protected, except for my face. I had my hood up over my helmet (which is a great feature on this jacket), but the collar didn't even come up to my lips to protect my face. With the hood down, the collar seems even less protective. Up on a windy ridge, my friends told me to get off the mountain because ice was building up on my face where the jacket wasn't protecting it. The only way to have a well protected face with this jacket is to wear a balaclava or thermal face mask. I would have thought that a shell designed for "extreme mountaineering" would have a more protective collar. | |
| Wasatchguy at REI on 12/22/2008 | |
Works in Alaska | |
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| Coat seems tough, but it may be too early to tell. Have worn out several other major and niche brands over the years so I decided to spend the money on this coat. Love the fit, even if it is a little bulky and surprisingly long (no store nearby, so had to go with internet sizing charts and info from other reviews) which bothered me at first but now I'm starting to see the practical applications of a dress length coat. More of a 4season parka, not a summer beat around jacket. If wanting for summer wear, get smallest appropriate size, if for year round in a northern climate go with largest appropriate. I got big enough to layer down underneath and still feel like I have lots of freedom of movement and can stash largish items in the roomy pockets. Worth the money if the money is available. Chicks dig it. I'm 5'10" and 180 with athletic build and got a large. Roomy fit in summer, perfect in winter when layered. | |
| Alaska Islander at REI on 10/12/2007 | |
"Well built, light, and great fit" | |
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| I love this jacket, they have thought of all the comforts an utility with minimal bulk or extras you don't want or need. The Gore-Tex pro is still a bit crinkly feeling but better than past versions. The jacket packs small but covers my toursue and butt completely. I have long arms and the sleeves on the size L do not ride up and feel perfect. The sizes are true to size. Don't be confused by the hype about new Gore-Tex material this season vs past, it is Gore-Tex pro vs. the old version called XRC. A well built and designed coat that will keep you dry the day after wadding it up wet in your tent over night. | |
| Dean at Moosejaw on 10/28/2009 | |
Review Title | |
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The best shell any one could ever buy..From 14ers in Colorado to paddle trips in AK, this jacket has survived it all--and for nearly 5 years! As just a plain gore-tex shell, this jacket is capable of anything from spring/summer rain and thunder storms to full on winter mountaineering. The theta always gets shoved into my pack, regardless. Other than fitting me a little bit wide in the shoulders, this is my favorite piece of gear. For winter, i layer it with an ultra-light down puff (which are often fragile/not waterproof) and a layer of merino wool. I prefer that set up to a bulky jacket for winter alpining and ice climbing. Can't go wrong with BC's dankest. | |
| Graviteton at Backcountry.com on 07/22/2009 | |
Theta AR.... Bulletproof | |
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I have owned this Jacket for over a year. I have worn it ice climbing, backpacking, kayaking, and for general purpose. I am 6'3" and 235. I normally wear a xxl mostly for sleeve length, but the xl fits great. This is my go to hard shell jacket. I have gone down a few mountains rag doll style and my pants (north face paramount)have taken a beating and been torn up, but this jacket shows now signs of any damage. The pit zips are an esential, I run hot, but can easily control my temp even when wearing a pack. Hood works great with a helmet, ball cap, or nothing at all. Can't say enough about this jacket. | |
| Stephen Ferguson at Backcountry.com on 06/25/2009 | |
Try On Before You Buy!!! | |
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I just purchased the Theta AR, and was very dissapointed with the fit. I'm 5'7" 155 lbs. and purchased a medium. The shoulders are huge, comically huge. I took it back and tried a small...same thing. It's the cut of the jacket. I'm not doubting the jackets performance, seems VERY well built, but I want to look "normal" and stay warm and dry. I purchased the Marmot Torre instead...WARNING: just try-on the Theta before you buy!!! | |
| West Ham Fan at Backcountry.com on 04/30/2009 | |