Personalized Santasaurus Rex Men's V-Neck T-Shirt. Santasaurus Rex! A cute T-Rex dinosaur wearing a Santa hat and carrying a Christmas present. Funny X-mas gift! 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem