Personalized Retro Christmas Pun Funny Merry Grump-mas T-Shirt. This must-have addition to any Christmas wardrobe makes for an ideal gift, ensuring that the recipient can celebrate the season with both style and humor. Whether worn at holiday parties or during relaxed evenings at home, our Retro Christmas Pun apparel is sure to bring joy and laughter to the festivities. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.