modern kilt with adjustable waist?

[TRWXXA]

Have you looked at Stumptown kilts?

http://stumptownkilts.com/mens-kilts/

They have snapps that wrap nearly the entire way round.

Here is a review of it tha tshows the design features. (I'm not the reviewer.)

https://www.youtube.com/watch?v=pyhXsg73QKE

Thanks for posting that link. I hadn't seen the Stumptown Kilts before.