Of Quartz I Love Geology Funny Science Teacher Tee 100% Cotton Imported Machine wash cold with like colors, dry low heat This play on words shirt is perfect for the scientist, science teacher, geologist, earth scientist, or ecologist. Of "quartz," one could wear it to school, in the field, or in the lab, it's also suitable for school, work, college, university, the library, natural history museum, coffee shop, or bookstore. Fit: Slim (consider ordering a larger size for a looser fit) Scientists young and old who enjoy science, rocks, mountains, gemstones, the outdoors, books, and studying will appreciate this shirt. When not in the office or lab, wear the shirt while hiking, camping, mountain climbing, spelunking, or cave exploring. This premium t-shirt is made of lightweight fine jersey fabric