Personalized Believe in the Magic T-Shirt. Believe in the Magic! Christmas ornaments hang below the phrase. Believe in the magic of Christmas! 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.