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Arc'teryx Cierzo 25

1 review
5-star:   0
4-star:   1
3-star:   0
2-star:   0
1-star:   0
3

Lots of room for your gear on a dayhike, but light…

Rating: rated 4.5 of 5 stars
Source: bought it new
Price Paid: $84

Summary

Lots of room for your gear on a dayhike, but light enough to stuff inside a backpack.

Pros

  • Light weight
  • Compressible
  • Water resistant (not waterproof)
  • Simple and tough
  • Pretty comfortable to wear

Cons

  • Thin straps
  • Not much support
  • Not much padding
  • Only one big pocket besides the main one
  • Rain will seep through the seams after a while.


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I was scouting around for a lightweight day pack to stuff inside my backpack. At only 415 gms (less than a lb) the 25 l. Cierzo is an ultralight alpine pack, but it's perfect to have ready in your backpack when you get to your destination. The pack compresses into its own lid, making a tidy package that's easy to stow away until you need it.

This isn't made for comfort but for speed. The minimalist design shaves weight off wherever possible leaving an efficient but very light bag. Like the old kletter sacks, the pack consists of one large compartment, with few bells or whistles, but adds a separate compartment in the lid. There are nice little extras here and there that bump it up a notch as well.

  • The bag itself is made of 100-denier Invista HT ripstop nylon with waterproof silicon and polyurethane coatings, and 210-denier Invista HT reinforcements.
  • The straps are bare-bones, but include Spacermesh for ventilation and EV50 foam for a bit of padding
  • A neat exterior shockcord system is used to compress the volume and make the load more stable. I find it a bit unsteady if you get the weight too high above the shock-corded section, but that's rarely a problem.
  • The plastic dual-density frame sheet can be pulled out to use as a seat or to reduce the weight.
  • The sternum strap and front compression sling can also be removed.
  • 4cm webbing hipbelt. While that's wide enough for comfort, this pack isn't meant for carrying a lot of weight. Cinches up nice and tight, though, and over a fleece or jacket, you won't feel it at all. 
  • Front and back attachment loops, one removable ice axe keeper and two ice axe loops.
  • Length 50cm, Width 25cm, Depth 22cm. Because of the design, all the interior space is useable, so you can cram a lot more into it than you'd expect. I find the length to be good for my size (5'8") but a couple of my friends have borrowed it for a day or two. Because the design is so simple, it seems to accommodate just about every body shape and size.
  • Hydration compatible. Good thing — there are no outside pockets to hold a water bottle.

In my opinion, the 25 l. Cierzo is about as close as you can get to a proper alpine day pack while still maintaining its UL status. I've used it on mountain day hikes carrying emergency gear, axe, rope and crampons, lunch, water and extra layers, and just for day hikes  around the city. More than enough room for everything I need, and no wasted space. As long as I'm not carrying a ton of weight, this is a great little pack.

I've always though of Arc'teryx as one of those 'over-priced big names' but in this case I think you get what you pay for.

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Where to Buy

Arc'teryx Cierzo 25

currently retails for:
$79.16 - $99.00
MSRP: $99.00

where to buy:

Specs

Weight 415 kg / 14.6 oz
Capacity 27 L / 1647 cu in
Materials 100D Invista HT Mini Ripstop™ with Silicone and PU Coatings, 210D Invista HT Ripstorm™, 420D Invista HT Plain Weave, EV®50 Foam, Spacermesh™