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Arc'teryx Alpha SV Jacket - Men's


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    77 Reviews


    Alpha SV Jacket

    Improving upon the iconic protection of the Alpha SV Jacket, Arc'teryx focused on the seemingly contradictory design concepts of lightweight construction and robust strength, seeing as it's the favorite choice of 100-day skiers, professional mountain guides, and alpinists facing the worst conditions on the planet. The newest iteration of the Arc'teryx Men's Alpha SV Jacket leverages a 100-denier nylon face (what Arc'teryx calls N100p-X) over the previous 80-denier fabric for twice the abrasion-resistance and 50% more strength against tears. It retains the legendary waterproofing and breathability of a Gore-Tex Pro 3-layer membrane for those skiing and pushing peaks in exposed terrain and raging snowstorms.

    This increase in strength comes with a slight weight penalty (approximately 2% increase) in the face fabric. Offsetting this minute increase, Arc'teryx decreases the jacket's overall weight with narrower 8mm Gore seam tape, eliminating zipper garages with the use of WaterTight zippers and RS sliders, as well as Cohaesive hem adjusters that replace the previous version's Harness HemLock insert. This obsessive focus on weight savings makes the Alpha SV a top contender for light-and-fast alpine missions where nasty weather is expected.

    Besides saving precious weight, the Cohaesive hem adjuster offers a snug fit around the hip that prevents the jacket from riding up when you're wearing a climbing harness. WaterTight underarm zips provide active breathability while you're skinning up your favorite backcountry stash or embarking on a mixed route of demanding rock and ice. The StormHood accommodates skiing and climbing helmets while sealing out pouring rain and wind-driven snow. These features make the Alpha SV a veritable fortress against against the world's most demanding alpine environments, all without sacrificing functionality or storage like many lightweight jackets on the market.

    • Lightweight and tough jacket for demanding alpine missions
    • 3-layer Gore-Tex Pro guarantees waterproof, breathable protection
    • N100p-X face fabric reinforces jacket from tears and abrasion
    • 8mm Gore seam tape for less weight and extra breathability
    • WaterTight underarm zippers increase active ventilation
    • Cohaesive hem adjuster prevents riding up with climbing harness
    • Arc'teryx outerwear sits at the forefront of durability and alpine protection
    • Item #ARC00KP

    Tech Specs

    [membrane] 3-layer Gore-Tex Pro, [face fabric] N100p-X (100D nylon)
    critical seams sealed with narrow Gore seam tape (8mm)
    regular with e3D
    hip with dropped rear hem
    Center Back Length
    30.7 in
    yes, helmet-compatible StormHood with Cohaesive hood adjusters
    [external] 2 chest w/WaterTight zippers and RS sliders, 1 left bicep w/WaterTight zipper and RS slider, [internal] 1 security, 1 dump
    WaterTight underarm zip vents
    Claimed Weight
    16.8 oz
    Recommended Use
    alpine & expedition, backcountry touring, skiing, snowboarding
    Manufacturer Warranty

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Alpine Staple

    The Alpha SV from Arc'teryx is the gold standard in severe weather protection. This piece is specifically designed to withstand the harshest conditions that the alpine environment can deliver. With burly 100d nylon and GORE Pro waterproofing this jacket is made for the mountains.


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

    While backpacking in Iceland we encountered a storm the rangers said had winds up to 70 mph, rain and fog. We hiked 17 miles that day. Everyone I talked with on the trial said their jacket leaked. Mine did not. I was warm and dry. Worth the weight and cost if you're out in a serious storm.

    last one

    • Familiarity: I've used it several times
    • Fit: True to size
    • Height: 5'5"
    • Weight: 120lbs

    This is an amazingly well made jacket. I have put this through a couple of storms and it has kept me dry and maintained a stable core temperature. I have also taken this on a windy hike and it did a great job shutting out the wind. It has the perfect amount of pockets and adjustability. I would recommend this jacket to anyone that wants a long lasting, one and done shell.

    Like Darth Vaders Helmet

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: XL
    • Height: 5'10"
    • Weight: 225lbs

    It's breathes, protects, looks amazing, and helps you crush rebel scum. No lighting bolts though. But seriously, for a pretty darn near impermeable shell this jacket breathes so well. I usually freeze to death on the lift ride up and sweat buckets on my way down but I'm finding such a happy medium with this one. I do wish there was a little more neck room when zipped up but it's not choking me or anything. Sheds water like wax too. I'm loving it.

    Arc'teryx always does the job

    • Familiarity: I returned this product before using it
    • Fit: Runs large
    • Size Bought: Large
    • Height: 5'9"
    • Weight: 189lbs

    I gave this as a gift and this is what they had to say "I ordered this jacket but found when trying it on that it was just too big for my frame and arms. I loved the color blue and the feel but I believe a smaller size would be fitting me. I am 189 and 5’9”.

    Great Jacket

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: Medium
    • Height: 5'10"
    • Weight: 190lbs

    Just had this out on Mt. Washington for the first time. The first two days we were not able to summit because of heavy wind and snow. I was completely comfortable in this jacket, a Smartwool baselayer, and a quarter zip light mid layer in 70 mph winds with gusts up to 105. This thing is bombproof. I started with the Proton AR under it, which came off almost immediately. My point is that this thing really keeps you warm, which makes it a great winter shell. The pit zips also helped dump heat when necessary.

    I am a muscular 5 feet 10 inches, 190 lbs with broad shoulders, 32 pant size, 42 - 44 chest. I tried both a medium and a large and went with the medium. It fits the Proton AR or Atom LT under it with no issues at all. I cannot really ever see myself needing any more layering than that with how windproof it is. I can easily fit a puffy over it if I needed to, which I never did. Interestingly, the regular fit medium SV fits almost identical to my large Alpha FL, which is the trim fit. I am a little obsessive when it comes to sizing and was back and forth with what size to keep on this one. After putting it to use I am glad I kept the medium. It fits a nice midlayer under it, but is also not too baggy with just a thin layer either. As always, has great customer service and has never given me issues with any of my returns or exchanges. I hope that helps!

    Great Jacket

    You get what you pay for an more!

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: XL
    • Height: 6'1"
    • Weight: 225lbs

    I've have used this jacket now for about a month in Eastern Canada and could not be happier.
    Combined with a base layer, this jacket delivers everything it promises and more. There is a reason it is the top jacket they sell.
    Most recently, i put this to the test skiing for a week in Quebec and was not disappointed. From cold days to powder days, i was kept warm and dry.

    Backcountry poor customer service—BEWARE

    • Familiarity: I gave it as a gift but have feedback to share
    • Fit: True to size
    • Size Bought: XXL
    • Height: 6'4"
    • Weight: 220lbs

    Very disappointed, not with the jacket itself but with Backcountry. The Alpha SV is a great hard shell jacket. In fact, I like mine (in the cardinal color) so well I decided to order another one in black for my oldest son as a Christmas gift and paid full price. However, Backcountry didn’t send me a new one in the original Arc’teryx wrapping with the tags attached. Instead, they sent one (obviously used and/or returned by someone else) that arrived today all wadded up in an unmarked clear plastic bag and with none of the factory tags or literature attached to the jacket (like mine was) or even in the box—it looks like a used jacket. This is inexcusable for any new merchandise intended as a gift, especially such an expensive item. Although I’ve placed multiple orders with Backcountry in the past, it’s unlikely I will be giving them any future business. If I’d wanted to buy a used jacket I could’ve done so on eBay for a lot less money.

    I had a similar incident with a pair of gloves, wrong gloves sent in a bag tagged as the correct ones. Someone possibly swapped them out during a return or something. It’s something you’d hope they would catch but at the volumes they’re dealing with, not likely. I will give them credit for their response though. discounted my transaction and they had the correct item on my doorstep 2 days later.

    What a jacket should be

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: medium
    • Height: 5'9"
    • Weight: 165lbs

    This gives the jacket you buy and it works the way you're hoping for. Tough as nails and for a long time. Just hope they don't change it for the worse in the future.

    Nicest jacket I own

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: XL
    • Height: 6'3"
    • Weight: 190lbs

    This jacket is amazing. The second you put it on you can understand the price point. The design aspects are incredible and the product feels and looks very good on. My only complaint is no waist pockets but it hasn't been a huge issue to me so far. You really get what you pay for here.

    LOVE IT!

    • Familiarity: I've used it once or twice and have initial impressions
    • Fit: True to size
    • Size Bought: xl
    • Height: 5'10"
    • Weight: 180lbs

    This jacket seems to run true to size and the fit is amazing. I love the way it feels and preforms. I have skied in it a few times and have been very happy with it. The SV is meant for severe weather, so layer up below it and you will be warm and dry! Highly recommend to any that spends a lot of time out side in variable weather that need something durable.

    Fall out shelter with high armpits

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: Medium
    • Height: 6'
    • Weight: 180lbs

    I'm 6' 180lbs and wear a medium. I've owned three Arcteryx hard shells since 1999 -- Original Sidewinder (Medium); Tantalus (Medium). Both of my previous jackets were fantastic for their time. I purchased the SV last year because I had the opportunity to spend an extended period in the backcountry of the Wasatch. Although this jacket is not technically listed in the ski category, I have used it for backcountry skiing and resort skiing in primarily in Little Cottonwood Canyon. Wearing this jacket is like cheating the elements. When the hood is cinched down over my helmet, I feel like I'm watching the weather on a TV rather than actually being out in it. I wear it with an old pair of Alpha SV bibs in the worst conditions. I have no problem with moving or skiing aggressively.
    I have noticed the high armpits in the Alpha SV jacket. Compared with the Tatantalus or the Rush, it is a slightly more form-fitting cut. If you haven't worn this jacket before, you will notice that the armpits are cut rather high. I've wondered if this was because the jacket might be specifically designed for climbing, in which case you would spend considerably more time with your arms overhead. In any case, I've become used to it and wouldn't trade it for anything.

    Really the Best

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

    I have compared with many others, this is the best. It keeps me dry and warm. It's relatively comfortable, I mean, for what it is. It fits fairly large almost like XL (I am medium/large), but it works well to allow multiple layers under and it does not feel too big so I think it is sized properly. The zippers are good and well placed to allow cooling and to manage pockets. The hood is good with a helmet but could be better to allow wearing without a helmet. Also the front part of the collar is great in cold/wet weather, but becomes quickly annoying when it warms up. It allows for good movement without uncovering when I have to extend my arms or look around.

    Awesome jacket

    • Familiarity: I've used it several times
    • Fit: True to size
    • Size Bought: M
    • Height: 5'7"
    • Weight: 160lbs

    Literally this thing can withstand anything from heavy rain to blizzard.
    Took this jacket to mt Shasta and performed very well.
    This is an incredible piece of equipment-- well built, durable, and functional. I especially love the chest pockets and hood design, and the fabric is incredibly durable yet moves well and somehow nicely fits the gap between burly and lightweight.

    Love it in (almost) every way.

    • Familiarity: I've put it through the wringer
    • Fit: True to size
    • Size Bought: Small
    • Height: 5'9"
    • Weight: 170lbs

    It is a perfect shell in every way except one. The arm holes are a little tight in the pit area. They aren’t overly tight just a bit high up. There must be some functional design reason for this because EVERYTHING on this jacket is so well thought out. I really can’t believe how much technology and craft has gone into every panel, weld and zipper on this piece. I had my last one stolen and bit the bullett for another one despite the steep price. I just couldn’t go back to a lesser option. I am 5’9” inches and an athletic (not bulky) 170 lbs and the small fits well. I can even fit a small Cerium LT under it as a mid layer.

    Unanswered Question

    Would you please tell me the newest iteration of the Arc'teryx Men's Alpha SV Jacket is the new product in 2018 spring?Thank you very much!

    I purchased the alpha sv and in the pocket was a small black plastic piece I have no idea what it is for, any ideas?

    Hi Jeff, Not sure what that plastic piece would be for. If you want to email me a photo of that I can forward it along to our rep and see if he can shed some light on that for us. You can shoot that over to Please let me know if you need anything else.