JRP Girls Flat Knit Cotton Tights. These JRP cotton tights fit a little small but more true to size than Butterfly.  These have a good fit and last well.  In the photo with 6 colors of tights, medium gray is on the left, charcoal gray is in the middle, and dark charcoal is bottom right.  Dark Charcoal Gray is a winter color that's very dark.  Charcoal Gray is basically a medium gray and is the most popular gray, it can work all year round.  The color called Medium Gray is the lightest gray and is good for the summer.  70% Cotton, 27% Polyester, and 3% Spandex.  For a product that goes up higher in the height and weight check out Memoi MO-325 in the women's cotton tights section on the website.