Arc'teryx Alpha SV CZ Bib

Priced: $478.99 - $599.00 Rated:   - 5 stars out of 5 by 3 reviews.
Arc'teryx Alpha SV CZ Bib
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Color: Heron
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Arc'teryx Alpha SV CZ Bib -

The Arc’teryx Men’s Alpha SV CZ Bib is a waterproof bib for tackling hardcore ice and alpine climbs. The bib comes up to the chest, blocking drafts and snow from coming in. The Alpha is made with Gore-Tex Pro fabric, to keep wet, severe weather out and lightweight enough so they’re not a burden. Keprotec at the instep extends the life of the pant against sharp edges and crampons and a boot hook keeps the cuffs in place. The athletic fit keeps the garment closer to your body to prevent snagging while a gusseted crotch and articulated knees and seat make sure you can still move properly. My favorite part of these bibs is right in the name, CZ, for through-the-crotch zip. Quick and easy access solves so many issues when nature calls.

FEATURES of the Arcteryx Men's Alpha SV CZ Bib.
SPECIFICATIONS of the Arcteryx Men's Alpha SV CZ Bib.


  • Side zippers stop below harness/ hipbelt area


  • WaterTight™ 3/4 length leg zippers

Weather and Wind:

  • Zipper garages to protect zipper closure from snow and rain
  • Waterproof zippers throughout
  • N80p-x Gore-Tex Pro 3L


  • Two pleated bib pockets with laminated zippers
  • WaterTight zipper through the crotch accommodates harness


  • Hard wearing nylon plain weave N80p-x face fabric delivers long term performance
  • Removable Internal LegWrap strap for crampon snag prevention, Keprotech instep protection, grommets at the hem boots and a tuck-away boot lace hook
  • Upper stretch woven bib fits snug and has two large bellowed chest pockets
  • High-cut breathable stretch-woven bib
  • Ultra-durable N80p high-density nylon weave

Lining and Layers:

  • Athletic e3D patterning provides room for three layers while facilitating movement


  • Expedition fit


  • Chest pocket mesh vents, 3/4 side zips
  • Waterproof, Breathable, and Durable


  • Quick adjust suspenders
  • Laminated waist drawcord
  • Fortius 1.0
  • Gusseted crotch
  • Adjustable pant cuffs with lace hook
  • Keprotec™ instep patches provide superior protection against damage by boots, crampons and ski edges
  • Articulated knees and seat
  • Very durable N155p-x in high wear areas
  • High-cut bib front and back

Bagging serious peaks calls for some very serious protection, and it doesn't get more serious than the Arc'teryx Alpha SV Bib Pant CZ. The tough, high-density weave, nylon main body fabric stands up to ridiculous abuse, and the guaranteed waterproof breathable Gore-Tex laminate keeps you dry and safe for years of backcountry exploration.

To earn the Arc'teryx SV (severe weather) moniker, the Alpha SV bib had to be tough. And, of course, this is Arc'teryx, so when we say tough, we mean bulletproof. The bib's main body fabric is N80p-Gore-Tex Pro 3-layer. N80p is a high-density nylon weave. The high-density construction minimizes the yarns' exposure to abrasion, which reduces damage to filaments to maintain surface integrity. Areas of high abrasion are reinforced with N155p-X Gore Tex Pro 3L fabric, which plies together multiple yarns in an Ottoman weave for maximum bulk and ruggedness. A durable micro-grid woven backer reduces weight and further resists abrasion. What all that means is years of guaranteed waterproof breathable service, even in the harshest conditions. Finishing it off, you'll find Keprotec instep patches at the cuffs that resist cuts and tears caused by sharp ski edges or even sharper crampons.

The Alpha SV Bib is more than tough fabric, however. It's designed to work in perfect harmony with climbing harnesses and backpacks. This means the large bellowed chest vent pockets are designed out of the way of waist belts and shoulder straps, and the through-crotch zip makes nature breaks quicker, easier, and safer by allowing you to leave your harness and bibs in place. The Expedition fit leaves room for layering, which makes it more severe-weather friendly than other bibs. Of course, the Alpha SV is equipped with stormproof zippers throughout.
When you are dangling four thousand feet in the air and the icicles are dangling off your hair and the end of your nose, you will be glad you are wearing the Alpha SV Bib CZ from Arctyrex. Built for extreme alpine skiing or climbing, the bib features N80p-x GoreTex, which is guaranteed waterproof and breathable. For extra protection against ski or crampon damage, the Alpha SV Bib pant has reinforced insteps made of Keprotec. For a comfortable fit, Arctyrex has added adjustable suspenders, extra long side and front zippers and adjustable cuffs. In other words, the Alpha bib is the perfect foul weather companion.

Oregon Mountain Community (Fall 2013)
Serious conditions require serious gear. Be prepared for anything in the Arc'teryx Alpha SV Bib CZ. High-backed, completely weatherproof, and with a through-crotch zip for taking care of business, these bibs are sure to become an alpine favorite!

Mountain Gear
The ARCTERYX Alpha SV Bib CZ are hard wearing, waterproof bibs built for alpine, ice, and expedition climbing.
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Average Price History: Price History
Review RatingNumber of Reviews
Breathability Rating:Guaranteed breathable
Country of Origin:Canada
Cuffs:Adjustable pant cuffs with lace hook
Fabrics/Materials:N80p-X GORE-TEX® Pro 3L
Fit:Athletic with e3D, trim lower leg
Inseam:31.375 inches
Internal Gaiter:no
Material:Fortius 1.0??84% nylon. 16% spandex. 160 g/m?.
Pockets:Two bib pickets
Scuff Guard:yes
Seams:Fully taped
Side Zip:3/4 Zip
Type of Waterproofing:GORE-TEX
Waist:Laminated waist drawcord
Waterproof Rating:Guaranteed waterproof
Weatherproof Material:GORE-TEX
Weight:570 g / 1 lb 4.1 oz
Zipper:WaterTight Zippers
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Arc'teryx Alpha SV CZ Bib Reviews:


I bought a pair of these a few years back mostly in response to fall hiking/climbing in the North Cascades, and I've been incredibly pleased with the fit and protection that these bibs offer. I've been out in some pretty wet conditions for long days, and these have been critical in helping to keep me comfortable in adverse conditions. I'm 6' and about 150 lbs. and the medium tall fits great. If anything, I could actually use another inch on the inseam, so I know that the regular medium would be a poor fit; I usually wear pants with 32"-34" inseam. They will easily accommodate a couple wool layers also, which helps keep options open. One thing I will note is that as durable as the material is, I did have an issue with the fabric tearing on the inside ankle of one of the pants. This was mostly just from one particularly long, wet, outing, and occurred where the thicker crampon protective layer attaches to the regular proshell layer. The tear was about 2 inches long, and was repaired by Arc 'Teryx free of charge, which I appreciate, but I was a little disappointed given how I'd only worn them about a dozen times prior to that event; I've been using them with my gaitors on the outside now, which for me will be necessary. The bibs do have a nice hook which attaches to the toe of your boot laces, and also a drawcord cinch to seal the pant cuff to your boot. There are also eyelets for connecting an instep cord, and this would be necessary to use if forgoing gators, but as I mentioned, that won't work for me ( I've had the issue of getting abrasion tears with other gore-tex pants previously, however these held up better). My wife uses a pair of OR mentor bibs, and while those are nice, I prefer the fit of these. They are super comfortable bibs and would buy them again if I ever needed to.

nbarnard at on 12/10/2013

First time out with the Alpha SV's and can't be happier. Skied through a 35 degree day with 45+ mph gusts and 3 inches of driving rain in Vermont. The Gore-tex Pro easily lives up to the billing. I was warm and totally dry and my ski companions were jealous!!! Most of them in lesser Gore-tex stretch fabrics and all of them soaked totally through. Could not be more satisfied with the bibs in conjunction
with my also new Alpha SV Jacket. After years of Marmot, Kjus, Eider etc. I have been converted. When the weather is at it's worst I am stoked to have Arc'teryx. Zippers were totally water tight, chest pockets were very handy. All in all a great set of bibs.

andp1031939 at on 01/12/2014

This is a really great climbing bib. Durable and really ergonomically sound for ice climbing and mountaineering.

DEON NORTJE at on 11/23/2013