Memoi Basic Sheer Tights are model MK-303. These are 30 denier and don't have control top or leg support. Generally these are worn by girls but women that don't want control top or teens can wear this product. To see the girl's sizes go to the Girl's section on the website. They run a bit bigger than the Memoi girls microfiber tights.
The nude size B will be available about the first or second week of August, it's on backorder right now.