Sockdreams.com, run by a serious sock and tights lover in the northwest, has the most gobsmackingly diverse selection I have seen anywhere. Click "socks", then in the tights section (scroll down, the sections are listed alphabetically) you should find what you are looking for. They have one company that makes a 90 denier, plus several Danish (the Danes make great tights - must be the climate) wool tights. My fav, though, are EG Smith. SockDreams carries the widest range of colors, from bright or subdued solids, to heathers, speckled and space-dyed. They say one size fits all, and they mean it. I'm a 4, my mom's a 6, my best friends are a 2 and a 14 - same tights for all. They have some sort of special 4-way stretch weave. Velvety soft, completely opaque, and amazing, saturated colors.