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Arc'teryx Alpha SV Bib Pant - Men's

Temporarily Out Of Stock

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Alpha SV Bib Pant

Bagging big, burly summits call for serious protection, and it doesn't get any more serious than the Arc'teryx Alpha SV Bib Pants. The tough, high-density weave, nylon main body fabric stands up to ridiculous abuse, and the waterproof, breathable Gore-Tex membrane keeps you dry and safe during all of your backcountry explorations.

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 it. 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 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—it's designed to work in perfect harmony with climbing harnesses and backpacks. This means the large bellowed chest 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.

  • Technical bibs for tackling big backcountry tours and ice climbs
  • Gore-Tex Pro provides waterproof, breathable performance
  • Hardwearing construction ready to handle climbing and alpine work
  • Articulated knees and gusseted crotch provide active mobility
  • Crotch zip for easy access when nature calls
  • Chest pockets are easily accessible with your harness on
  • Lace hook and drawcords at hem for attaching to your boots
  • Item #ARC00PL

[membrane/laminate] Gore-tex Pro (3-layer), [face fabric] 100% nylon
fully sealed
2 zippered bib
Side Zips
harness compatible
Claimed Weight
1lb 5oz
Recommended Use
backcountry riding, backcountry skiing, ice climbing, mountaineering, ski mountaineering
Manufacturer Warranty

Tech Specs

What do you think about this product?


>Rating: 4

Overall great bibs- wishing for pockets

I've used it several times
Runs small
Size Bought
5` 10"
185 lbs

I bought these bibs specifically to do early/late skiing in the east and overall I am satisfied. I use these when the temp is right around the freezing mark and there is a mix of rain and snow. The waterproofing is excellent, the bibs work great to keep you dry. The fit is good for providing enough flexibility and movement while skiing. These are definitely geared more towards high-exertion activity rather than resort-style skiing, they do not provide much insulation. One complaint (reason for 4 vs 5 stars)- I wish they had pockets on the legs. The size runs a bit small, I am a medium on most items but had to upgrade to a large on these.

Look at the LEAF Alpha Bibs Gen 2, they ditch the crotch zip and add two thigh "cargo" pockets.

>Rating: 5


Bought these as a gift who for somebody who is 6’0” 180 pounds. Fit was perfect. Took them out hiking in the snow and he stayed dry. For comparison he wears a Medium in Prana stretch Zion pant and wore medium in these.