Memoi Perfect 60 Tights are model MK-306. These are 60 denier. Great for someone that wants a product thicker than the Memoi Girls Semi-Opaque Tights. These don't run small. Nude is better for people with fair skin and Honey is a more orange tone. Girls wear the smaller sizes and teenagers and ladies wear the sizes A,B, and C. These are an option for a person that doesn't want control top or leg support. 79% Nylon, 21% Spandex.