Sources for Tartan Trews or Trousers

[KiltFitz]

Argyll trews or trousers are probably your best bet. Fishtail trews or military trews are more frequently worn with coatees or doublets whereas I see argyll trews worn with argyll jacket and belt or even with a five button waistcoat. Done like this, the waistband becomes less of an issue. Ask the maker if they can make the waistband a little higher, that shouldn't cause any problems. I only know about Scottish supplier but if you are going to order from here, I am happy to give you a few recommendations. Best to PM me for that.

If you are purchasing mail-order, you will find argyll trousers more amenable to alteration by a local tailor or seamstress too because they have a seam. The best piece of advice I can give you is to get someone with a bit of experience in menswear to take your measurements. An inch or two off because you were stooping or holding your breath or a measuremant taken too low down can make a big difference to what you get back at the end.