Aircraft mechanic flag us 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 Aircraft mechanic, aircraft, mechanic, mechanic shirt, aircraft mechanic shirts, wrench, engineer, mechanical engineer, mechanical, repair, engineering Lightweight, Classic fit, Double-needle sleeve and bottom hem