Arc'teryx Men's Beta AR Pant

Priced: $243.99 - $399.00 Rated:   - 4 stars out of 5 by 4 reviews.
Arc'teryx Beta AR Pant -
A streamlined performance for the minimalist approach is what highlights the Arc’teryx Beta AR Pant. These lightweight leg huggers are enhanced by the powers of Gore-Tex for the perfect amount of protection through all four seasons. Highly durable by nature, the rear, knee and lower leg areas have been reinforced to guard against the rigors of nature. Keprotec technology has even been installed at the instep to combat ski edges and crampons. Built with an athletic fit that allows you to maximize your movements, the Arc’teryx Beta AR Pant puts you in a prime position get the most out of your adventures.

Wash and Care:

  • Machine wash in cold water or dry clean
  • Wash dark colors separately
  • Tumble dry on medium heat


  • Side zippers stop below harness/ hipbelt area


  • WaterTight™ 3/4 length leg zippers

Weather and Wind:

  • Tiny Gore seam tape (13 mm)
  • Waterproof
  • Micro-seam allowance (1.6 mm) reduces bulk and weight


  • Molded zipper garages
  • One hip stash pocket with zipper

Lining and Layers:

  • Gore-Tex Pro Shell membrane (3-layer)


  • Cordura powder cuff with lace hook and hem drawstring
  • Do not use fabric softener
  • N80p-X and N40r-X shell fabric
  • DWR finish (Durable Water Repellent) helps bead water from fabric surface
  • Gore-Tex Pro 3L fabric with reinforced seat, knees, and lower leg


  • Trim fit for athletic performance
  • E3D anatomical patterning and fit


  • Breathable


  • Elastic waist with webbing belt


  • Front fly with snap closure
  • Do not leave wet
  • Lightweight
  • Adjustable pant cuff drawcord
  • Remove immediately
  • Keprotec™ instep patches provide superior protection against damage by boots, crampons and ski edges
  • Double rinse

When you are the Arc'teryx Men's Beta AR Pant, life is pretty dang good. You relish in the fact that you are an elite snow pant that can take whatever hellish winter conditions your owner or the world can throw at you. No biggie. You were made with a three-layer Gore-Tex Pro Shell, so you guarantee waterproof protection and breathability. The N40r-X fabric seals out any adverse weather, while being supple and notably soft to the touch. On the hard-wearing areas in the seat, bottom legs, and knees Arc'teryx placed the N80p-X fabric to offer extra protection and durability. This pant is fully seam sealed with micro-seam allowance that reduce bulk and weight and improve breathability, so your base layers will remain nice and dry.

To further keep out the elements, you, the almighty ski pant that you are, have 3/4 length WaterTight side separating zipper, which doubles by being easy to remove over boots and crampons. A trim athletic fit with articulated shaping delivers mobility. Then there's the elastic waist with adjustable front closure, the Keprotec instep patch to protect against edges, crampons, and boots, and the Cordura powder cuff to keep the snow out. Yep, you've got it all.

Rock/Creek Outfitters

The men's Arc'Teryx Beta AR Pant is focused on streamlined performance with minimal weight and bulk, these lightweight GORE-TEX Pro Shell pants are the ultimate in packable four-season protection. Built tough with reinforced knees, seat, and lower legs, they also feature Keprotec instep patches to guard against crampons, ski edges and boots. A trim athletic fit with articulated shaping delivers mobility and powder cuffs keep snow at bay.


The Arc'Teryx Beta AR Pants are the only men's pants in the GearX inventory made from GORE-TEX® Pro Shell fabric, which makes them the go-to choice for serious mountaineers and backpackers who demand the ultimate in waterproofness and durability. They're made from a mix of lighter 40 denier and heavier 70 denier Pro Shell that balances packability with durability in different wear zones, and are further protected by armor-like Schoeller® Keprotec™ reinforcements at the ankles which resist cuts from crampons, ski edges and boots. A trim athletic fit with articulated shaping delivers mobility and powder cuffs keep snow at bay.


The Arc'teryx Beta AR Pant with it's Keprotec instep patches and reinforced knees and seat, these lightweight, belted waist pants are built for rugged backcountry use.

Mountain Gear
Lightweight and durable companion to the Beta AR Jacket, this ARCTERYX pant provides superior waterproof/breathable armor against the elements.

Berg's Ski Shop
The hike through Jackson Pass was definitely a challenge. Snow to your knees and three hours of slogging, but your legs are still dry and feeling good thanks to the Gore-Tex goodness of the Arc'teryx Beta AR Pants. And after ski season has passed, the ultra-high breathability, you can trek into the woods for some springtime hiking.
Focused on streamlined performance with minimal weight and bulk, these lightweight GORE-TEX® Pro Shell pants are the ultimate in packable four-season protection.
and breathable shell.
GORE-TEX® three-layer construction with GORE® seam tape (13 mm).
Articulated knees/seat and a gusseted crotch adds greater freedom of movement.
WaterTight™ external zippers with molded zipper garages.
Side zippers stop below harness/hipbelt area.
Keprotec™ instep patches provide superior protection against damage by boots, crampons, and ski edges.
Reinforced knees, seat, and lower legs.
100% nylon N40r-X GORE-TEX® 3L shell.
Machine wash warm, tumble dry low.
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Average Price History: Price History
Review RatingNumber of Reviews
Also available for: Women
Activity:All Around
Back Rise:15 in
Clothing Fit:Regular Fit
Country of Origin:China
Fabric:N40r Gore-Tex Pro 3L, N150p Gore-Tex Pro 3L Keprotec
Fabrics/Materials:N40r- X GORE-TEX Pro / N80p-X Pro - 40D face on front legs, 80D face in high wear areas
Fit:Athletic fit. with e3D patterning
Front Rise:10 in
Inseam:30.5 in / 77 cm
Internal Gaiter:yes
Keprotec instep patches:Adds durability and protection from crampons, boots and edges
Leg Opening:21 in
Material:N40r GORE-TEX Pro 3l, N150p GORE-TEX Pro 3L, Keprotec
Material Technology:GORE-TEX
Outseam:41 in
Pockets:Single zippered hip pocket
Scuff Guard:yes
Seam Taped:Yes
Side Zip:3/4 Zip
Type of Waterproofing:GORE-TEX
Waist:Elastic and adjustable waist
Waist Measurement:34 in
Weatherproof Material:GORE-TEX
Weight:515 g / 1 lb 2.2 oz
Zipper:3/4 WaterTight side zippers
Compare specifications to related products.

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Arc'teryx Beta AR Pant ShortArc'teryx Beta AR Pant Short$398.95 - $399.00
Arc'teryx Beta AR JacketArc'teryx Beta AR Jacket$314.95 - $550.00
Arc'teryx Beta AR Pants - RegularArc'teryx Beta AR Pants - Regular$399.00
Arc'teryx Beta AR Pant TallArc'teryx Beta AR Pant Tall$398.95 - $399.00

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Arc'teryx Beta AR Pant Reviews:

Positive Reviews:

Great shell pants

These shell pants, when paired with an appropriate shell on top will keep you perfectly dry in even the most torrential downpour. I have not tested them in snow yet due to an unseasonably warm winter so far, but as well as they handle driving rain, I have no concerns.
Ward at Rock/Creek Outfitters on 12/12/2011

Fits snug, not baggy

A nice no nonsense pair of waterproof pants. Fits great
Stawell at Rock/Creek Outfitters on 08/08/2013

Negative Reviews:

I purchased the latest Beta AR Pants in August when they came out. Today 30/12/13, they saw their first proper use. I went up Helvellyn. It rained, and rained, and snowed. Within 2 hours they had wet out around my groin (fly zipper was up). By the time i reached my car (3.5 hours), enough water had soaked into my trousers, which fried my mobile phone, which was in my pocket. Nice one Arcteryx!
Why did they fail? They are BRAND NEW. They shouldn't need treating.
You state 'guarantee waterproof protection'.
Notice the key word WATERPROOF. I purchased these expecting to be kept dry. I think this is called 'misleading'.
Arcteryx are good at one thing, its called Marketing. Don't be drawn in by it, because the Arcteryx bubble is an expensive bubble to burst.

Martia Lant at on 12/30/2013

Neutral Reviews:

If these were full side zips I would get them...whats the deal Arc'teryx? No full side zip gore-pro pant? Yeah you can get them over your boot/crampon. But you can't put them on standing up let alone with a pair of skis on. Think. There is better stuff out there, all the gore-tex stuff comes from the same factory in china anyway.

decp175359 at on 09/04/2013