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Gregory Z 55 Backpack - 3050-3660cu in

Item #GRE0061 | 12 in Stock

It says its hydration compatible. What kind of bladders work...

By Ranked #337 - Weekend Packs (3000-4500 cu in) June 21, 2008

It says its hydration compatible. What kind of bladders work best in this pack?

Helpful Votes: 0 Yes | 0 No

By Ranked #172 - Weekend Packs (3000-4500 cu in) June 22, 2009

Any one would work, it has a sleeve, and a place for the hose to come through. I do not use the sleeve though. Once the pack is stuffed full, it is hard to squeeze a bladder down into the sleeve. I just put it on top below the "brain" pocket.

Helpful Votes: 0 Yes | 0 No

By Ranked #388 - Weekend Packs (3000-4500 cu in) May 5, 2009

Camelback Bladders will NOT fit inside the slots in the internal frame of this bag. at least not the medium bag. Camelback's bladder openings are round screw in's that do not fit in the tight opening to the internal frame. I just bought the Platypus Big Zip/Insulator as suggested in the answer below, and even that is a chore to get within the internal frame pocket, and i can only fill my 2 liter bladder to a liter and a half because you need the extra empty bladder space to finagle the bladder into the small frame opening. it's do-able, but frustrating, and that's without the insulator on the bladder. I have no idea how Ozzy is managing it, if we're talking about the same thing. Must be some kind of pack Houdini. or we have different versions of the pack. I'm stickin with Houdini though.

Helpful Votes: 0 Yes | 0 No

By Ranked #290 - Weekend Packs (3000-4500 cu in) August 27, 2008

Most any bladder system will work - Camelbak, MSR etc. I personally like the Platypus Big Zip/Insulator (works great in this bag). Most of the leading hydration systems are designed to fit the slots in modern internal frame backpacks. You shouldn't have a problem with any of the leading brands.

Helpful Votes: 0 Yes | 0 No

Tech Specs:

Material:
210D Double box HT ripstop fabric 
Volume:
[S] 3050cu in (50L); [M] 3350cu in (55L); [L] 3660cu in (60L) 
Suspension:
Ventilated Jet Stream Suspension system, Auto-Fit harness systems 
Hydration Compatible:
Yes 
Detachable Pack:
No 
Sleeping Bag Compartment:
No 
Rain Cover:
No 
Access Types:
Top, side 
External Pockets:
2 Front, 1 top, 2 waist-belt 
Snowboard Carry:
No 
Ski Carry:
No 
Gear Loops:
Yes 
Ice Axe Loops:
No 
Shovel Pocket:
No 
Weight:
[S] 3lb 2oz (1400g); [M] 3lb 5oz (1500g); [L] 3lb 8oz (1600g) 
Recommended Use:
Fast-packing, through-hiking, weekend backpacking, rock climbing, all-day hiking 
Manufacturer Warranty:
Lifetime 
Country of Origin:
China 
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