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Munch, munch.

The Osprey Insulated Delivery System is ideal for sub-zero adventurers who don't like to chew ice out of their hydration packs. If that doesn't apply to you, then don't bother.

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Osprey Packs Insulated Delivery System

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Here's what others have to say...

is this useful even if you do use a pack...

Marcel

Member since 
Posted on

is this useful even if you do use a pack with an insulated sleeve? would this help avoiding frozen tube or mouthpiece a little bit more? I was thinking a hand warmer would do the trick of avoiding that, but maybe an extra layer of insulation would help, but also not sure if this would fit in the sleeve. It's a Karve 16 S/M

Pat Palmer

Member since 
Responded on

Basically, this will buy you some time. Once it gets below 20F, you'll still freeze up if you're not constantly sipping every few minutes. I've even tried using Armaflex, which is insulation for plumbing. Even with that, if I didn't drink enough to clear the tube it froze in 15-20 minutes

Since hydration pack drinking tubes are narrow, they freeze up in minutes once it gets below freezing. Even 1/2" and 3/4" plumbing pipes can freeze in minutes once it ets below 14*f. That seems to be the magic number when the frozen pipe calls come in.

So to end all this rambling, yes, it will keep the tube and bite valve from freezing as quickly as without. I figure it could extend the operating range ten degrees lower and/or for a couple hours more.

4 5

geop308117

Member since 
  • Gender: Male
  • Familiarity: I've used it several times

I used this for three days of snowboarding in Utah recently. It was perfect the first day when the temperatures where in the high 20's. However, it was low single digits after that and the line & valve were frozen solid fairly quickly. Like the other reviewer said, it is great for keeping the valve clean as well. I would say it is worthwhile if the temperatures are not too low.

4 5

ak

Member since 
  • Gender: Female
  • Familiarity: I've put it through the wringer

I just returned from Annapurna Circuit in Nepal. Water with electrolyte tablet still froze on the summit date, but other than that i liked it as it kept the tip in the cover from all the dust in the air there.

Does this attach with a magnet?

Jimby

Member since 
Posted on

Does this attach with a magnet?

Arthur Debowski

Member since 
Groups:
Responded on

Yes there is a magnet on the sternum strap.

Kate Williamson

Member since 
Groups:
Responded on

No this does not attach with a magnet--when you zip the bite valve away, the magnet on the bite valve is hidden.

You can see the strap and buckle in the photo--there is a buckle attachment that you can shimmy on any thinner strap on your pack: sternum strap, bottom of the shoulder strap, etc... You then buckle the mouth piece into that area to prevent the whole thing from bouncing around.

Hope that clarifies instead of confuses...

geop308117

Member since 
Responded on

The standard Hydraform uses a magnet for attaching the drink valve to the sternum strap of your pack (or anywhere else with a strap that fits). Kate is is correct about the insulated version connecting via a buckle system, however it is "stretchy" so you may not need to unbuckle it to drink depending on where it is attached.

I was just wanted to clarify to make sure...

ltdinh

Member since 
Posted on

I was just wanted to clarify to make sure this included the hose as well, not just the insulation. Thanks!

Kate Williamson

Member since 
Groups:
Best Answer Responded on

There is a hose and locking bite valve included.

ktimmmtb

Member since 
Responded on

Does it still attach by magnet? Thanks