Great ideas from everyone!

I like the idea of clip-ons, which I've never really considered before (just out of habit). I'm worried, though, about not having a spare set of glasses for a worst case scenario. My regular glasses weigh significantly less than my sunglasses, but I wear my sunglasses a lot more while hiking. I like the bubble wrap idea as well. Right now, I'm thinking of a little homemade case of bubble wrap and glue, with light velcro straps as fasteners.

The question is, where to carry it. I definitely would not want it in my pack. I typically carry a case that I fit both mine and my son's fishing pole in. I'm thinking I might be able to place them in here, which would protect them and give me quick access since I strap this case to the outside of my pack.

I'm definitely going to check out the dollar store, though. Might find something perfect for cheap.
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...then we might find something that we weren't looking for, which might be just what we were looking for, really. - Milne