This Girl Loves Her Diesel Mechanic 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 This Girl Loves Her Diesel Mechanic T-Shirt,Diesel Mechanic shirt,This tee is perfect for A Diesel Mechanic wife or girlfriend,Diesel Mechanic Husband gifts,perfect for any woman that loves her Diesel Mechanic, Lightweight, Classic fit, Double-needle sleeve and bottom hem