Father and Son Fist Bump Best Friends Father's Day 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 Full-Color image Father and Son Fist Bump Best friends forever! Great unique Father's Day gift idea from Son, when he and Daddy are as close as can be! Lightweight, Classic fit, Double-needle sleeve and bottom hem