Personalized I Heart Gym Long Sleeve T-Shirt. I heart gym text with an edgy heart and the word gym wearing sneakers is a fun design for gym and fitness lovers on birthdays, holidays and back to school. 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