I was brought up on the "off-white hose for dressing up" school of thought. The biggest Scottish shop in town's owner was a Scot who subscribed to this, so that's what I followed for many years. I can see why there are people on both sides of the issue, and I notice that in McMurdo's picture there are examples of both. I would never try to correct anyone on what hose they should be wearing, though. Nowadays, and thanks to this forum, I allow my own taste to be my guide, as you have yours. It seems you have good taste!