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Simple and clean from features to fabric, the Arc'terx Men's Beta FL Jacket provides supremely reliable protection from weather that would dare threaten your climbing or ski-touring ascent. Highly durable, waterproof breathable Gore-Tex Active shell fends off the most brutal weather, the streamlined fit provides unrestricted range of motion, and fabric reinforcements shrug off rock, rime, and abuse. Legendary Arc'teryx build quality further separates this fast-and-light shell from all the others, so stash it in your pack and push into mountainous weather undeterred.

  • Gore-Tex Active Shell provides guaranteed waterproof breathable protection against sweaty moisture buildup within and heavy precipitation and wetness outside
  • A higher denier face fabric and a thicker Gore-Tex membrane are used as reinforcement in higher wear areas
  • Fully taped seams keep leaks from seeping in at fabric interfaces
  • A helmet-friendly, adjustable hood features a laminated brim to keep it from folding under heavy wind and precipitation
  • The trim e3D anatomical fit includes room for layers but doesn't impede your axe-swinging or anchor-building movements
  • Ultralight laminated WaterTight zippers allow access without vulnerabilities
  • Single chest pocket features a laminated WaterTight zipper for additional weather protection
  • Reflective blades keep you visible in the light of your partner's headlamp

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Arc'teryx Beta FL Jacket - Men's

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Here's what others have to say...

4 5

Arc'teryx Beta FL

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

This is the first Arc'teryx jacket I have owned. The jacket is light for a waterproof shell (3 layer GoreTex active fabric), but the fabric is noisy. Sounds like crinkling paper when you put it on. It functions well, and it is waterproof, but that is just in snow so far. The fabric seems thin, and I worry about durability, but no problems so far. It is a great light shell for the weekend backpacker like me, and it comes with a little sack to pack it in your backpack.

Unanswered Question

Hey bros and bras!

Heading our to...

Hey bros and bras!

Heading our to revelstoke to learn the way of the mountains, so I had picked up the sabre, and quickly realized that if I was going to be doing any touring that it was far, far , far to heavy! I then came across the Alpha SL, and later found out about the FL. I was wondering about the fit as I am most defiantly going to be order one; I stand around 6'3/6'4 weighing in around 190. I have very broad shoulders, but am slim for the most part. In the SL I found the large to be just a tad short on the front, and the XL was just a little to bulky.

I understand this is much more form fitting, so would the XL be the way to go?

Thanks a bunch! Cheers!

5 5

Man Crush

I have been searching everywhere (years) for a jacket that is functional for winter skiing and fall rain, looks good, and fits correctly. I'm 6'3' 195, and find it almost impossible to find clothes or jackets that fit the way I want. I make my tailor very happy. Most of the time I feel as though manufacturers assume big means fat (probably a safe assumption in the US). Well this jacket ends my search. Absolutely bomber, has an amazing athletic fit with long sleeves and perfect coverage, and it looks very sharp. Its crazy light and thin, but not so thin that you will ever worry about it in the brutal winter days and nights. For me this is perfection.

Responded on

Hey J, I am just about your size exactly. A bit lighter. What size did you get?
I'm looking for a jacket that's good for layered winter and rainy biking. Do you think this would fit the bill?

Responded on

I'm 6'3" 180, and the large is a perfect fit. Form fitting, but just enough space to put a fleece or small puffy under. I got it for climbing, but it is great for biking, as well, owing to its long tail.

Responded on


I used it biking the other day up in VT. Was actually impressed at how well it breathed.

Hi, looking for a hardshell jacket for our...

Hi, looking for a hardshell jacket for our Torres del Paine circuit trek next April. It would be used mostly for backpacking, hiking, camping, and severe weather (rain/wind). However, I am split between the Beta FL, Alpha SV, and Beta AR. Any recommendation would be appreciated.
Also, would you recommend a small or medium sized hardshell (for 5'10", 158lbs, chest 37, sleeve 29) to layer with Smartwool midweight outdoor crew (S), R1 hoody (S) and Thermawrap BC jacket (S)? Thanks!

Best Answer Responded on

Hey Protik,

I definately would not want to go with the FL if you're planning on being in severe weather for any extended length of time. The Beta FL made with Gore-tex active wear which is great most of the time due to it's water repellancy/breathability ratio, however will start to wet out after an extended period of rain. This leaves the Alpha SV and the Beta AR and the orthodox answer would be if you're expecting severe weather, then go with the Alpha SV (SV = Severe in the Arcteryx naming scheme). However, I've used the Beta AR in every kind of condition you can think of and it hasn't leaked once. Plus if you're using it for backpacking then I'd say definately go with Beta AR because the shoulders and elbows are reinforced with 150D nylon for added durability. The rest of the jacket is 40D, whereas the Alpha SV is I believe 80D throughout. The pockets are also something you might want to consider. The Alpha SV has the crossover chest pockets which is more suited for climbing and the Beta has more traditional ones. I'd probably go with a Medium to account for layering. I'm sure others will confirm or disagree what I'm saying, everyone loves talking about Arc products :) Hope this helps.

5 5

I thought this day would never come...

I've been looking for an all-around hard shell for both summer AND winter use for the past year and I think I have finally found it. I've tried the theta AR, beta AR, alpha LT and Stingray jackets (all by Arc'Teryx) and while they were great for winter use, they were just too heavy for summer/spring use. If you are looking for something that can be worn over layers (atom LT/aphix) during the winter but also worn comfortably by itself during the warmer months, this jacket is perfect! I can't comment per say on the durability of the Active Shell just yet, but will make sure to update this review as necessary.

Responded on

hey Aaron, where is your Arcteryx Beta FL made from?

Responded on

I'm sorry for the late response, Jim, but the Beta FL was made in China.

I wear a small in the Alpha SL and the fit...

I wear a small in the Alpha SL and the fit is perfect. Would you recommend small or medium in the Beta FL if I want to layer with a thin nanopuff or Atom LT?

Responded on

This jacket is slim cut but made to be layered under. If the Alpha SL fits perfectly in a small then I would say this one would as well in a Small.

5 5

weatherproof and breathes well

  • Gender: Male
  • Familiarity: I've used it once or twice and have initial impressions

I've only used this jacket a few times but so far I'm really happy with it. I typically end up either swimming in shells or they're too tight in the chest and shoulders (various Patagonia & Arcteryx). This shell fits really well, slim but roomy enough for a soft shell &/or thin synthetic jacket underneath the shell. The two chest / side pockets are roomy and simple, no pit zips though so far the jacket breathes well provided it's worn when a shell is necessary. I'm short and stalky, I've had the alpha lt and it fit like a well thought out garbage sack and the lighter simpler patagonias were either really baggy or too tight in the chest & shoulders. Arcteryx did inform me that some of their jackets fit so that when your body is extended (ie climbing) the rear tail of the jacket still keeps your bum covered and your wrist cuffs still settle on your wrist. This shell seems like it should perform as such even on us vertically challenged.

Hoping for some help from the ArcT gurus...

Hoping for some help from the ArcT gurus here. I am torn btw this jacket and the Alpha FL. Intended use, B/C skiing and throw in the bottom of the pack for climbing and hiking trips in good weather. Already own two great GT Proshell jackets for the dead of winter/ski area etc. So, I fit perfectly in sz M of the Theta and Beta AR's. 5'11" 178lbs, waist 32. Will the M of either of these be appropriate? Are there any significant differences other than the pocket configuration? Thanks!

Responded on

I have both A&B FL... If you're going to use a pack or climbing at all I would go with the Beta... It has reinforced areas on the Shoulders and Arms. The fit and sizing is similar on both. Just the pockets and reinforcements differ. Both have a nice droptail in back. And You should go with a Large. The Medium will be too tight. IDK if you can layer anything at your size with a medium. I'm 205 5'9 and wear an XL. I can get an atom LT under no prob still keeping the athletic fit.

Responded on

Thanks for the answer Dan. I did go with the medium and it is a very trim/athletic fit, but not restrictive. I can still get a lightweight down vest underneath it without restriction. I plan on using this jacket for ski touring or in warmer conditions when I wouldn't be wearing much underneath it And can throw a puffy jacket over it in an instant. This jacket in size medium would not be my resort jacket. I'd go with one of the beefier jackets that have a more expedition fit.