Specifications: 1. I would like both men and womens short sleeve t-shirts in black and white.  2. They must be a cotton/modal or cotton/polyester blend.  3. They must have a long, lean , fitted shape 4. Each shirt will have a single symbol, or formula (samples in image) in gold foil print 5. Some shirts, ones with calculus symbols, will have a few crystal accents 6. I will need a sample before I purchase a lot.  7. The label will have designers name on it