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How is a rolltop closure meant to work on a pack?
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mik matra
(mikmik) - M

Locale: Allways on the move
How is a rolltop closure meant to work on a pack? on 07/23/2013 06:44:14 MDT Print View

I have bought the ULA Circuit and am very happy with the pack but am baffled about how the 'rolltop' closure is meant to operate. If the front pouch at the top is empty then there is no issues as the 2 fabrics (the fabric on the very top that has extra length for the rolling AND the black fabric that is meant to be the top-front pouch) together roll up and the bag won't let water straight in.. I mean the top pouch (at the front) if full has no chance of getting even part of it's fabric 'rolled up' to keep water out.

Am I missing something?

Sumi Wada
(DetroitTigerFan) - F

Locale: Ann Arbor
Re: How is a rolltop closure meant to work on a pack? on 07/23/2013 06:52:22 MDT Print View

Look at the picture of the Circuit on the ULA website; this is what the roll-top part should look like regardless of whether there's anything in the front mesh pocket.

Ken T.
(kthompson) - MLife

Locale: All up in there
Re: How is a rolltop closure meant to work on a pack? on 07/23/2013 06:53:47 MDT Print View

Q: How does the top of the pack close? Is it easy to access the main body of the packbag?

A: The top of the pack closes like a drybag (also known as a rolltop) very similar to what river runners use to create a water resistant seal for their gear bags. Basically, the back of the collar is slightly taller than the front. Once you are packed, the collar can be rolled down upon itself to effectively create a barrier to water penetration. Once rolled, each side of the collar can be buckled to the sides of the pack or the two yellow buckles on the top can also be fastened to each other.
As for access, once the collar is rolled and fastened shut, you would need to unbuckle the compression straps and unroll the collar to access the inside of the pack. However, the rolltop only needs to be rolled shut when the weather dictates. If the sky is dry, the collar can simply be folded forward. Vertical compression can still be achieved by buckling the collar to the sides of the pack..

It's not a dry bag. You will still need to use a liner to keep things dry inside

mik matra
(mikmik) - M

Locale: Allways on the move
Thanks for the replies on 07/23/2013 23:49:37 MDT Print View

Okay I get that but this is where I am confused with the 'roll top' function. Should it not be that both front AND back fabric be same length so that you get to hold them together and roll before clipping in? One is shorter than the other and this makes the rolling for water protection a bit of a misguided idea.

I am tinkering with the idea of a zip modification to be honest.....