Memoi Opaque Tights are model MK-208, these used to be called Winter Opaque Tights. This product is 50 denier microfiber and doesn't have control top. Generally this Memoi product is worn by girls and teens but women that don't want control top can also wear these. They run a bit small. Memoi is known for being more comfortable than some other brands. To see the girl's sizes, go to the Girl's section of the website.