The goal of wearing kilts full time above the 40th is certainly noble if possibly a bit idealistic as our climate swings from tropical to sub-arctic every 6 months or so. I have worn my heavyweight 8yarder in -35degF and blizzard conditions. Frankly it was damm cold! Calm winter days 0degF to 32F are fine... fall and spring are good too... but it's important to let a bit of common sense be your guide on those really bitter days. I am not and never will be a full time kilt wearer... I'm too much of a pragmatist for that. (As men, we still have the option of wearing trousers any time we want.) Probably not what you wanted to hear but that's my take on the subject.

cheers,
blu