Though I don't how large your Zumo is.
Uh...you are getting a little personal now Jess.
Yeah it was humor.
Except if a clear condom will fit over the unit plugged and/or clamped in without tearing, it should work like a charm.
Cheap, with easy replacements.
Except the lubed ones would be a bit gooey.
And you'd always have a built in conversation starter.
Another idea is a sandwich bag pulled over tight and rubber banded at the bottom. Not the height of style, but weatherproof. Most of us don't ride in the rain often. It only needs to go on then.
This is only if he can't find what he's looking for.
