Big Bad Oilfield Dad Oilfield T Shirt Oilfield Gifts 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 Our oilfield shirts are original designs. Oilfield gifts t shirt designs are slightly distressed designs for a vintage and worn look. Mouse over image for a closer look at this oil field shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem