Slightly illogical fashion decision part 2: wearing sheer in (practically) winter. I'll admit: common sense has very little to do with it, and instead it can be blamed on really not giving a damn. Sure, I won't be sporting this in a month's time (brrr), but while it's still open coat season most of the days, I quite like wearing sheer during the day.
Incorporating a little illogicality makes getting dressed fun. Especially when it's subtle and people are not sure whether it was actually intended or not. Keep them guessing, I'd say.