DAD In Binary Code Shirt | Father's day Gifts For Dad 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 Dad in Binary Code tshirt - Funny Computer Programming and Science shirts - Fathers day gift Shirt Perfect Gift for Dad - Birthdays Fathers Day Gifts Or Any Occasion Lightweight, Classic fit, Double-needle sleeve and bottom hem