Any roadmap for the zipper on the Goshawk to be upgraded to a waterproof one?
Currently, that wouldn't be an upgrade.
We use a #10 YKK turned inside out which is water resistant, and cover it with an XPac zipper flap which is normally held down by compression straps. In my testing you can't push water through it in rain. Kayak bow wash, yes, but not rain.
"Waterproof" zippers are that for a while, until they wear some, then they're not, and they wear out quickly. If you have experience with them, then you've cussed them as they are hard to use and easy to break.
The #10 we use isn't going to wear out under any sort of normal use.
It's all about trade offs, but we feel the solution we've arrived at makes sense. If you're in a kayak or packraft, Fortress. Otherwise the zipper on the Goshawk works well.
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