It's just ok, poor installation of the waterproof sipper. - Granite Gear Air Zipp Twists

I purchased this mostly because it uses a waterproof zipper which is nice for kayakers. Unfortunately the way the zipper is stitched into the bag the end doesn't completely close up (leaving a pencil sized opening)...so why bother using a wp zipper?

This review was written in the old system and had content requirements that are different than reviews written today.