Deck the halls with boughs of humbug and the Grumpy Cat No Ugly Christmas Sweater Heather Charcoal T-Shirt! A Christmas sweater-style pattern printed on the front of this funny Grumpy Cat Christmas shirt features "No. No. No." next to paw prints, snowflakes, holly, and Grumpy Cat in a Santa hat. 60% Cotton, 40% Polyester.