Rust is Lighter than Carbon Fiber Ratrod Rat Rod T-shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Available in men's, women's and youth sizes for your choice and comfort This tee is perfect for a birthday, Christmas, graduation or any gift giving occasion Lightweight, Classic fit, Double-needle sleeve and bottom hem