Switches Be Trippin - Electrician 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 Switches Be Trippin - Electrician Shirt Switches Be Trippin shirt, shirt for electrician, shirt for dad, shirt for brother, shirt for grandpa, shirt for son Lightweight, Classic fit, Double-needle sleeve and bottom hem