Reviewer says it works well, insulating the tube so water doesn't get hot. Just used this on the plane, camping, and hiking in glacier. May get one for our * too.

It zips with ease and is lightweight. It has many compartments and is very roomy. Shoulder straps are comfortable even if not padded.

This is always packed in my suitcase and i always end up needing it for something. I love that it packs down so small, yet it can fit a lot. The only downside is that the side pockets for water bottles are only good for poland spring sized water bottl...  Read More

The fabric is so thin (nearly sheer), i'm not sure that the bag would last 6 months of regular use. The straps constantly tighten when i put the bag on. There is now way the zipper should have blown out after one use.

This material is so thin, and so flimsy. I have an 18 oz yeti, and it would fall out every single time. It collapses on itself.