Since Worsted wool has been covered by the experts, I shall offer a comment on straps.

If you like the look of a strap on your hip by all means order a kilt with three straps.

It really is only there for appearance's sake. A well made kilt only requires two.

In days of old military kilts were worn much higher up the rib cage and two straps were needed for a proper fit. Civilian kilts followed the fashion of the three straps even though they were worn lower.

I personally prefer two.

Cheers

Jamie