I think a good rule of thumb is having only as many kilts as you will wear. If I have a kilt that stays in my closet 364 out of 365 days in a year then to me it would not be justifiable to own it (or buy it in the first place). Where each person draws that line is their own personal business, but even if it were 2 or 3 days out of a year I just couldn't justify it.

I wear p*nts a lot more than I do kilts, (as much as I wish I could have the freedom to be kilted more often) and I own... letsee... 4 pairs of dress pants, 2 pairs of khakis, 3 pairs of cargo pants, and about 4 or 5 pairs of shorts. What is that -- 14 or so? Therefore the number of kilts I own should definitely not surpass that.

In fact, now that I think about it, figuring out how many kilts a man should own should simply be a matter of a mathematical formula, right? If we were to approach the problem logically that is.

I'm not a mathematician, but let's see if I can figure this out.

Let P = # of pairs of pants owned
Let x = days per week pants are worn
Let t = time of 1 rotation cycle in days (e.g. 365 days)

dp = days spent wearing pants per cycle rotation
dk = days spent wearing kilts per cycle rotation

k = theoretical number of kilts that should be owned for optimal wear

(1a) x/7*t=dp ; (1b) [(7-x)/7]*t=dk

(2) k = dk*(p/dp)

Solve for k.

Theoretical example.

I own 15 pairs of pants that I wear 5 days a week (Mon - Fri) for work. Then I walk around kilted on the weekends. I'm working on a 1 year rotation cycle.

P=15
x=5
t=365

(1a) (5/7)*365=261 dp=261 : (1b) (2/7)*365=104 dk=104

(2) (15/261)*104 = 6

Therfore, I should have 6 kilts in my wardrobe for kicking around on weekends.

Does that make sense?