Arcteryx Men's Beta AR Pant

Arcteryx Men's Beta AR Pant is rated 4.666666666666667 out of 5 by 6.
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4.6 Star Rating
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Product Description Item No.   10220013

The Arc’teryx Men’s Beta AR Pant is a waterproof pant that is lightweight and packable for all four seasons. The three quarter length zipper provides easy on and off while still wearing your boots, while still being WaterTight. Gore-Tex Pro Shell fabric keeps you dry in whatever type of nasty weather is thrown your way. The knees, seat, and lower legs are reinforced for the bumps on the mountain or muddy trail. Gusseted crotch provides all day comfort and ease of movement. My favorite is the instep patches, simple protection against boots, crampons, small dogs, and the like.

Products on Sale are Discontinued Styles or Colors.

FEATURES of the Arcteryx Men's Beta AR Pant

  • Highly breathable GORE-TEX Pro Shell, light, supple N40r-X face fabric on front legs, hardwearing N80p-X face fabric in high wear areas
  • 3/4 length WaterTight side separating zipper ensures easy removal over boots and crampons
  • Zippered snap fly with adjustable webbing belt
  • Single zippered hip pocket
  • Keprotec instep patch protects against edges, crampons and boots
  • Cordura Powder Cuff keeps snow out, and lace hooks secure pants to boots

- + Product Specifications
Weight: 18.1 oz
Disclaimer: We only ship this brand to US Addresses.
Product Technology: GORE-TEX Pro
Pant Rise: Mid
Features: GORE-TEX, Waterproof, Packable
Gender: Mens
Best Use: Hiking, Skiing, Winter Camping, Ice and Mixed Climbing, Climbing, Snowboarding, Basecamp and Expedition, Snowshoeing, Mountaineering and Alpine, Trekking, Snowsports
Pants Inseam: 33.25 in.

GORE-TEX Pro material offers maximized ruggedness which makes it ideal for extreme and extended use, like mountaineering, climbing or skiing. It's super durable, super waterproof, and super windproof.

Men's Jackets, Shirts and Tops
SIZE X-Small Small Medium Large X-Large XX-Large
Chest 36" 38" 40" 43" 46" 50"
Waist 29" 31" 33" 36" 39" 43"
Hip 36" 38" 40" 43" 46" 50"
Sleeve Length 32" 33" 34" 35" 36" 37"
Numeric Size 36 38 40 43 46 50

• Arc'teryx recommends you calculate your body measurements using the info in the Measurement Guide below before selecting a product size. The measurements provided in their size guides refer to your body measurements unless otherwise specified.

• Check the fit type in the product FEATURES and SPECIFICATIONS and refer to the Fit Guide below to ensure you are ordering a product for the correct end use.

Men's Pants
SIZE X-Small Small Medium Large X-Large XX-Large
Waist 29" 31" 33" 36" 39" 43"
Hip 36" 38" 40" 43" 46" 50"
Length (Short) Subtract 2"
Length (Regular) 30 1/2" 31 1/8" 32 3/8"
Length (Long / Tall) Add 3"

• Please note that the actual pant length may vary slightly from the info above, depending on the intended end use of the product.

Men's Numeric Pant Sizing
SIZE 28 30 32 34 36 38
Waist 28" 30" 32" 34" 36" 38"
Hip 35" 37" 39" 41" 43" 45"
Inseam 32" 33" 34" 35"

• Several models of Arc'teryx pants are sized numerically and available in different inseam lengths. You will see these sizes reflected in the options in the Select a Size drop down menu for particular products.

• For all other pants available in numerical waist sizes where the inseam length is not specified, the inseam lengths provided above apply.

SIZE Small / Medium Large / X-Large
Head Circumference 21.7 - 22.4" 22.8 - 23.6"
Men's Gloves
SIZE X-Small Small Medium Large X-Large
Hand Width 7.6 - 7.9" 7.9 - 8.2" 8.2 - 8.6" 8.6 - 8.9" 8.9 - 9.3"
Hand Length 7 - 7.2" 7.2 - 7.5" 7.5 - 7.7" 7.7 - 8" 8 - 8.2"
Unisex Gloves
SIZE X-Small Small Medium Large X-Large
Hand Width 7.3 - 7.6" 7.8 - 8.1" 8.2 - 8.6" 8.6 - 8.9" 8.9 - 9.3"
Hand Length 7 - 7.2" 7.2 - 7.5" 7.5 - 7.7" 7.7 - 8" 8 - 8.2"


Chest / Bust - Measure around your chest / bust, holding the measuring tape under your armpit.

Waist - Measure around the natural waist, which is often the narrowest part of your waist.

Hip - Measure around your hips at the widest part.

Sleeve Length - With your arms in a slightly bent position, measure from the center of the back of your neck, along the length of your arm, to the wrist.

Inseam / Pant Length - From a standing position, measure from your crotch to your ankle.

Head Circumference - Measure the full circumference around the widest part of your head.

Hand Length - Measure from the tip of your middle finger to the base of the palm.

Hand Width - Measure the circumference of your hand around the knuckles, excluding the thumb.

• Please note that all the info provided above refers to body measurements, and NOT the dimensions of the garment.


Next to Skin Fit - These snugly-fitting garments are made with stretch fabrics to fit next to the skin to enhance moisture management and thermal efficiency. Garments in this fit category when constructed using Arc'teryx's heavier-weight AR and SV fabrics also perform very well as mid layer pieces, and users should consider selecting a larger size to accommodate a base layer underneath if the intention is to use this layering system as a mid layer option.

Trim Fit - Trim-fitted garments share the motion-friendly traits with Arc'teryx "Athletic" fit garments, but are patterned with lower volume for reduced bulk. These close-fitting pieces layer well under other garments.

Athletic Fit - This is the "Arc'teryx Standard" fit. These complete patterns utilize anatomical shaping and gussets to enhance motion by minimizing excess bulk. Easy layering under or over each item extends seasonal versatility and comfort.

Relaxed Fit - Relaxed fit garments rely on higher volume patterns and a reduced amount of articulation to offer roomy mobility.

Expedition Fit - Cut roomier than the Arc'teryx Athletic fit and suitable for winter/extreme conditions, Expedition (XPD) fit garments are cut larger to accommodate multiple layers without binding or restricting movement.

• You can find the fit type and additional fit info for Arc'teryx styles in the product description FEATURES and SPECIFICATIONS.

Rated 5 out of 5 by from If your in the market, spend the dough and get em If your reading this then your interested enough in buying a new pair of hard shell pants. Buy them. While no one article of anything can really do it all, these come pretty close. They work well in both summer and winter storms. They are what any adventurer wants in a hard shell. Light functional and mountain proof. Legs zip all the way up and are sealed. They have an internal gator which i like and are reinforced around the lower legs to protect from crampon snagging. I guess one drawback if any is that they are a little swishy when you move but nothing bothersome.
Date published: 2015-01-20
Rated 5 out of 5 by from Best Hardshell Pants on the Market These pants are simply amazing! I have used them for hiking, backpacking, ice climbing, mountaineering, and snowboarding and I have nothing but good things to say about them. The 3/4 zip is essential when the weather changes and you need to get your pants on quickly when wearing mountaineering boots and/or crampons. The reinforced instep has prevented damage from hiking boots and crampons on multiple occasions. Another great feature that may not seem like a big deal is that the pants can zip from either the top or the bottom. This is a great feature because you can zip them part of the way down from the top to dump extra heat. Overall, these are by far the best all-around hardshell pants for multi-sport activities and even everyday wear as a rain-shell. ,,
Date published: 2014-10-20
Rated 3 out of 5 by from Fit like sh** Arc'teryx: check. Gore-Tex Pro: check. I originally had these in a Large. That would be a 36, my regular pant size. They fit, but I wanted more room to tuck in a shirt. So I got an XL and could cinch them. Both were "Short", meaning around a 30 length. The reason I returned these pants is because they have a baggy, odd fit in the legs. I wish they fit more like the Arc Rampart pants, and less like they do.
Date published: 2015-09-01
Rated 5 out of 5 by from Great backcountry pants! Was looking for a bombproof, waterproof and relatively lighweight shell pant for backcountry skiing, snowshoeing and winter hiking. Have used them just twice so far backcountry skiing and they are great. Only negative is that like all hardshells, they are a little noisy at times.
Date published: 2015-02-17
Rated 5 out of 5 by from Good quality all around winter shell I'm 6'0 and 185lbs and the large/regular fits perfect. Typical Arcteryx quality, durable, breathable and not bad looking. I was looking for an all around XC ski, sledding, maybe snowboarding, snowshoeing she'll that can take some abuse, and this is it. Nice pant.
Date published: 2013-11-19
Rated 5 out of 5 by from 5 Moose scale, Great pants! From scale of 1 to 5 Moose,,, It gets 5 Moose. Very durable pants, excellent quality. They are lightweight, waterproof, breathable and scratch resistant. Perfect fit and complete freedom for moving around. ,,Downside is of course the price.
Date published: 2014-01-22
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Do these pants have any exterior pockets? From the picture, it doesn't look like it.

Asked by: Jeff
Hey there, These pants have one single zippered hip pocket located on the right leg. I hope this helps!
Answered by: Rocko Gigsby
Date published: 2016-03-03

I wear 33" waist and 32-33 length. Can I get away with a large or small tall. Med. Is exceedingly hard to find.

Asked by: KC123
Hey there, Thanks for reaching out to us! Unfortunately, that medium is out of stock right now, but we're getting new shipments in every day. I'd check back with us in a week or two. As for the other sizes, we're more than happy to share those measurements. The Large (regular) is a 36" waist, and that length is 31 1/8". For the tall, the waist stays the same, but the length will be 34 1/2". The Small (tall) is a 31" waist with a 33 1/2" length. Hope this helped you out!
Answered by: Rocko Gigsby
Date published: 2015-11-09
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