Funny Christmas T-Shirts Dear Santa Define Naughty 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 Perfect Christmas T-Shirt gift for the fun loving person in your life. Dear Santa Define Naughty. Perfect for men, women & children on the naughty list. Christmas T-Shirts. Lightweight, Classic fit, Double-needle sleeve and bottom hem