I wear Smartwool wool tights over my knickers, they work great. Unfortunately the microlight ones aren't very durable so I have lots of holes in them. But since I wear them over knickers anyhow the holes are not all that obvious.

Now the problem I'm running into is that I cannot find the Smartwool tights in black in either microweight or lightweight. My usual sources (TE, REI, Backcountry) appear to be out of them and they are on backorder from Smartwool. Bah!