Waffle knit thermal shirt made by Indera Mills. 100% cotton natural unbleached color. The model is 5'9" and wearing a size medium that has been worn over a period of 2 years and washed many times. These waffle knit shirts will shrink more than our jersey knit shirts. Please size up 1 or even 2 sizes from your normal size. Also please note, these shirts are cut rather short. Wash before wearing.