Arcteryx Men's Alpha Comp Pant
Genepi Green

Arcteryx Men's Alpha Comp Pant

Arcteryx Men's Alpha Comp Pant is rated 4.6 out of 5 by 5.
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4.6 Star Rating
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Product Description Item No.   10281139

The Arc'Teryx Men's Alpha Comp Pant is a stretch pant with waterproof/breathable protection in specific portions for ice and alpine climbing. Moving fast generates plenty of heat and when you're facing an environment that is often wet, problems arise. In comes the Alpha Comp, where Fortius 1.0™ fabric gives you the stretch, breathability and durability you need while N40p 3L laminated GORE® fabric at the seat, leg fronts, and lower leg cuffs provides the waterproof protection needed to stay dry. A durable water repellent finish throughout repels water from the surface, preventing soaking. The integrated belt keeps the pant at your waist and the zippered thigh pocket won't interfere with your harness. Unzip the lower leg cuff to reveal a gusset, allowing the pant to fit over larger boots, or close against smaller ones.

FEATURES of the Arcteryx Men's Alpha Comp Pant

  • Composite Mapping specifically places fabrics for optimized performance
  • N150p-X 3L Gore Fabric Technology with tricot delivers zonal waterproof / breathable protection
  • Fortius 1.0 softshell provides stretch, enables air flow for thermal regulation
  • Trim fit with e3D Patterning provides freedom of movement with minimized bulk
  • Low profile metal hook waistbelt
  • Harness compatible, easy access zippered thigh pocket with flap
  • Two position lower leg gusset: Closed for crampon use or fully open for ski touring boots
  • Abrasion resistant Keprotec instep patch
  • Reinforcements in the seat, leg fronts and lower leg cuffs
  • Micro-seam allowance (1.6 mm) reduces bulk and weight
  • Taped seams for added weatherproofness
  • Ergonomic 3-Dimensional patterning for enhanced comfort and mobility
  • Adjustable pant cuff drawcord
  • Expanding gusset in the pant cuff adjusts to two volumes to accommodate various types of footwear
  • Adjustable integrated webbing belt
  • Thigh pocket sits just below a climbing harness

- + Product Specifications
Features: Adjustable Cuffs, GORE-TEX, Waterproof, Adjustable Waist, Quick Drying
Weight: 14.8 oz
Pant Rise: Mid
Waterproof: Yes
Product Technology: GORE-TEX
Disclaimer: We only ship this brand to US Addresses.
Gender: Mens
Best Use: Climbing, Ice and Mixed Climbing, Mountaineering and Alpine
Fit Type: Slim Fit
GORE-TEX fabric technology

Garments made with GORE-TEX® fabric are durably waterproof, windproof and highly breathable, providing reliable weather protection and maximum comfort for a wide range of activities. These garments keep your body dry by allowing perspiration vapor to escape so you remain cool during activity and warm during cool-down.

Check Out All GORE-TEX® Products >

Rated 4 out of 5 by from Like these pants I first tried the Patagonia Mixed Guide pant in size 28, and though they fit in the waist, I found them too tight in the seat and thighs. They were sort of okay with the vents unzipped, but generally cramped my movement. Used, I couldn't return them, so I sent them off to someone who guided for me in Nepal, who happens to be one of the skinniest people I know. Then I tried these in size XS. The hardshell panels are more judiciously cut and placed. The softshell stretches nicely. I can move in these! They don't have all the bells and whistles of the Patagonia - fewer pockets, no vents or internal cuffs - but in this case less is more. I appreciate the more athletic fit - they work for a narrow waist with real glutes and thighs. And the waist belt is more functional - it doesn't loosen as the Patagonia did. Nice work.
Date published: 2015-01-08
Rated 5 out of 5 by from A great pant to fill the niche between hard and soft shell winter pants. The Alpha Comp pant has quickly found a place in my skiing wardrobe, and proven itself as a reliable pice of kit -- one I'd highly recommend. Fit. As a muscular athlete, I worried somewhat about the trim fit, but my fears were quickly allayed. Even with the trim fit, the overall fit is outstanding. The e3D mapping seems to work out well, maintaining a trim appearance and avoiding any loose fabric, but never restricting movement. One note is in order, though, about the seat. On first trying the pants on, I was concerned (ok, actually my wife remarked) about the baggy seat; the reason becomes obvious when you move, however, and the pants allow you to contort athletically without binding in the crotch and seat. Form clearly wins over fashion, in this case. Fabric. The hybrid or composite construction is positive. The Fortius softshell offers exceptional breathability, the carefully placed Gore panels offer balanced weather protection, and the instep panel completes the package with good protection from ski edges and crampons. I've noted other reviewers who found the softshell material a bit light, but I've found it just about right for early winter adventures on the East Coast. Workmanship. Exactly what we've come to expect from Arc'teryx: impeccable, but even more notable in this case for the smooth melding of softshell and Gore waterproof-breathable fabric. Light Weight. A major selling point for me, the Alpha Comps come in at just under a pound, without sacrificing anything in the form or protection departments. One way is by deliberately going with less pockets and no vents, but I was conscious of that trade off and fine with it. Function. I've used them this far this winter as a lightweight skiing pant, and they've excelled in that role. Given the excellent mapping, the legs stay put without riding up at all, and the "open" leg fits easily over ski boots. Potential improvements. It would be nice to see some more color in future versions, even if only a black or nighthawk color. It might be nice to see a slightly heavier Fortius softshell fabric in future versions, though the current material has proven just about right so far. All in all, a great new addition to the winter Arc'teryx line -- one that fills a critical niche between full-on hard shell pants and just-not-enough softshells for winter pursuits.
Date published: 2014-12-24
Rated 5 out of 5 by from Epic pants I just came back from a week of skiing in Breckenridge, CO and the temperature was everything from 5F/-10C to 47F/8C, and a snow storm thrown in for good measure. The AC pants adapted flawlessly, even resisted the cold wind much better than anticipated. I was out with the kids so a lot of bending down, on the knees in the snow etc - good stretch and very comfortable. The cut is pretty athletic and slim, which is the way I like it, no need for extra material but enough that you can fit some layers under. The final bonus was the weight, or lack thereof I should say. Rolls down very well (the only part preventing the folding down to nothing is the instep protection) into the carry-on backpack - checked luggage is lost luggage, as we all know. I have an older pair of Gortex Arc'Teryx pants but the fit is way too generous as well as a pair of Patagonia ski-pants, but these new Alpha Comp pants blows them both away. Best pair of outdoor pants I've owned so far. Highly recommended.
Date published: 2014-04-23
Rated 5 out of 5 by from Another solid product from Arc'teryx I should first say I've only used these pants once on a recent ice climb in the Catskill Mountains in New York State. I found them to be awesome--they are super-flexible and burly to easily handle a long day in the mountains. I probably scraped my Grivel crampons up against the calf area all day, and there is no evidence of my clumsy movements. The pants held up amazingly well. As the images show, the extended cuff should also allow me to use these pants on a day of alpine touring while wearing ski boots. They're not waterproof, so on a deep powder day, there are better options, but for packed snow, I think they'll probably do fine.
Date published: 2014-04-09
Rated 4 out of 5 by from Serious freedom backountry garment I had the occasion to try them last weekend, I do not put the five stars because is based in just one very successful experience. I went under controlled weather forecast announcing at worst some snowflakes but quite windy for an alpine hike, intense uphill and downhill. Extreme lightness and packability, just combined with phase AR bottom did the right job, as often getting the legs into deep soft snow generating permanent falls. I am sure is a perfect partner for backcountry skiers Comfortable fit and design for active purposes, belt Arc'teryx adjustment system is great to secure the position Nice to have a big pocket with good protection I used boots and then tied previously the pant inner loops (front and back) to the front and back shoes loops plus tightened the cord avoiding the useof extra gaiters (i would prefer a strap than a corrd but is an opinion) Inner patches did their job with the crampons spikes. I am sure we will be regular partners! Top parts used: phase AR base layer, equivalent Fortrez hoody and Alpha comp jacket which I provide also a review.
Date published: 2014-03-05
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- + Size Guide

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.

- + Warranty Info

Arc'teryx Warranty and Repair

Arc'teryx guarantees the quality and performance of all of their products. Items with defects in materials or workmanship will be replaced or repaired at the discretion of Arc'teryx for the practical lifetime of the product. Items that are damaged through wear and tear, misuse, or neglect may be repaired at a small charge.

How do I send back an item for Warranty, or get an item repaired by Arc'teryx?
For Customers in North America and Europe, Arc'teryx recommends that the product be returned to the store or site where it was originally purchased.

If this is not possible, fill out their online warranty form which can be found HERE. They will email you with full instructions on how to send your product to their Warranty and Repair Center. Do not send your item to them without first obtaining an RA number from Arc'teryx.

Arc'teryx is not responsible for items that are lost or damaged during shipping and cannot replace parcels that are lost during return shipment if proof of tracking is not available. Please use a guaranteed delivery service that provides tracking information, insurance, and proof of delivery when sending an item back to Arc'teryx.

For customs purposes, Arc'teryx requires you to provide them with a PHYSICAL address, however, your warranty/repair item can still be shipped to a PO Box.

How do I contact them with questions?
Complete their Warranty or Repair Request Form. If you have any questions or concerns, you can reach their Customer Service department at 1-866-458-2473.

What is and isn't covered under the Warranty Policy?
Defects in materials or workmanship are covered for the practical lifetime of the product. Material refers to zippers, buckles and fabrics. Workmanship refers to seams, seam tape and construction. Damage due to wear and tears such as rips, tears, abrasion or UV degradation, misuse or neglect is not covered under Arc'teryx's warranty policy but may be repairable for a fee.

What is covered under the Warranty Policy on Arc'teryx footwear?
Defects in material and workmanship will be covered by Arc'teryx for the practical lifetime of the product. The practical lifetime for footwear can vary drastically depending on the frequency and type of usage. Things such as the wearing of the outsole, frayed laces, nicks and tears can indicate that a shoe has surpassed its practical lifetime. These are examples of wear and tear or damage which are not covered by Arc'teryx. If you believe there is a defect in material or workmanship present on your product, please see follow the instructions on how to send it to Arc'teryx for assessment.

What does 'practical Lifetime of the product' mean?
Although Arc'teryx builds their products to last over extended periods of time, nothing lasts indefinitely. Materials will deteriorate and fade over time and moving parts will wear out. Arc'teryx will cover your product under their warranty policy until such a time that they have deemed the product to be worn out beyond reasonable repair. If the product is showing the signs of its age-for instance, the material has become thin or faded, there are rips and tears, the zippers no longer catch, the cuffs are fraying, or the soles are worn-they will take this into consideration when assessing your product for a warranty request. All gear will suffer from differing degrees of wear-and-tear, depending upon the user. Equipment used by an outdoor guide for 150 days a year will by comparison, degrade faster than gear used by a weekend skier. By taking care of your equipment you will ensure a longer lifetime for your gear. Arc'teryx recommends that you visit their Product Care page for more information on how to wash and care for your equipment.

Will Arc'teryx repair or replace my product?
If your Arc'teryx product fails due to a manufacturing defect, where possible, Arc'teryx will repair the item at no charge to you. They have repair centers in both Europe and North America that employ the same custom machinery and techniques that they use to create the original products. If the product is not repairable, or the cost of the repairs exceeds the value of the product, Arc'teryx may, at their discretion, choose to replace the product instead.

What happens if I rip or tear my jacket or pants?
Skis, snowboards, crampons, axes and other sharp equipment will damage clothing and gloves if they come into direct contact with them. Rips, tears, burns and punctures can occur during normal use and while carrying your equipment, and are not covered under the terms of the warranty. To assist you in keeping your product in optimal working condition, Arc'teryx offers a variety of repairs for a reasonable charge. Contact them and they will be happy to discuss your options.

What if I want to have my garment altered or tailored?
Arc'teryx does not offer custom alterations or modifications to their packs or garments at this time. For products made from GORE-TEX® fabrics they suggest using a GORE-TEX® authorized repair facility for alterations. There is a list of GORE-TEX® authorized repair shops in your area on the GORE-TEX® website.

Do alterations void my warranty?
Arc'teryx understands that individuals may, on occasion, wish to tailor their Arc'teryx products to suit their needs. If something should fail which is unrelated to any alterations, Arc'teryx will stand behind their products, provided that the Arc'teryx product is being used as intended. For a list of alteration facilities in your area, please visit the GORE-TEX® website.

How long will it take if I send my product in for warranty assessment and/or repair?
The typical turn-around time is 15 to 20 business days from the time they receive your product to the time they ship it back to you. Keep in mind that winter is the busiest season for warranty and repair service. Arc'teryx will provide you with updates and more accurate estimates throughout the process.

How do I prepare my item for return to Arc'teryx?
In order to comply with health and safety regulations, as well as for the protection of their staff, Arc'teryx kindly asks that all products be cleaned before being sent to them. Products that arrive unwashed may be subject to a cleaning fee before assessments can be made. To find out how to properly clean your garment, please visit the Arc'teryx Product Care page.

How are shipping costs handled?
Customers are responsible for shipping items to Arc'teryx, and Arc'teryx will cover the return shipping costs. Please ensure that you ship the product using a carrier that can provide you with tracking information and proof of delivery. Customers are responsible for their product until Arc'teryx has signed for its delivery.

What do repairs cost?
Repairs covered under the terms and conditions of the Arc'teryx warranty policy are performed at their expense. Costs for non-warranty repairs will vary depending upon the situation. Arc'teryx will provide you with as many repair options as possible based upon the amount of work and materials required and the expected end result. After your product has been received and assessed, Arc'teryx will be able to contact you with repair options and costs. Repairs requiring payment will never be performed without your authorization.

What is the Voltair Avalanche Airbag Limited Warranty?
The Voltair Airbag will be covered under warranty for manufacturing and material defects for the duration of three years after purchase or 50 inflations, whichever comes first.

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