In the Winter or in colder rinks, I love the Mondor Polartec legggings. They come as plain, over the heel or stirrup, and they're plenty warm with minimal bulk. The Polartec material is a little like fleece, though with some stretch. In warmer months or rinks, I love my LuluLemon Wunder Unders, although I got these before the quality issues started to come up. Finally, for really cold days or days when I'm not moving a lot, I like to wear black legwarmers, to keep my lower legs warm. The Mondor ones are nice since they have a good elastic grip without cutting off circulation, and fit nicely over the heel.