(Is "tights" the right word? There's something kind of juveile about it, but "nylons" isn't appropriate, since I'm not looking for something made out of nylon)

I'm wondering if anyone has a recommendation for good quality tights/legwear online. I'm on a bit of a budget, so price is a consideration ($25 is probably the most I'd pay for wool, and even that's a bit high. For cotton, I hope to pay $15 or less). I'm not too concerned about having a huge variety of colors, patterns, etc.

Any good places?