It would be nice to have a kilt belt, in case you wanted to wear one for some reason.

I started out belting everything...but I have a beer belly and from suggestions on this board went to trying letting the kilt straps do their job without a belt and find it much more comfortable and much better looking. I seldom wear a belt with my tartan kilts anymore.

I'm guessing the Caledonian modern is gonna be a hand sewn kilt so will be to your body size. Unless you're real skinny and worry about the kilt sliding off you'll not need a belt.

I still don't have a fancy kilt belt with an elaborate buckle. I like AmeriKilts basic belts. Work fine for me when needed.

Ron