Personalized Santa Hat Gym Text Gray Long Sleeve T-Shirt. The word gym with the letter G in the word gym wearing a Santa hat is a funny Christmas gift design for exercise buffs, body builders, trainers, gymnasts and physical education teachers. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL