Can I use this bag as a carry on?

Question

It's a camping backpack with a built in cooler at the base.

Would the cooler material and such be against any policies

Answer 1

it would be fine just don't fill up the cooler with ice or any liquids.

Answer 2

It is fine .I've taken  a collapsible cooler on the plane several times .Remember no liquids though

Answer 3

If you're talking about the kind of material that is a crinkly silver colour for insulation its fine.  Gel packs must be 3 oz or less.  (If you are planning to use the cooler portion for snack food. :))