Personalized You Just Cant Have Too Many Trains T-Shirt. Fun gift idea for someone who just loves trains has silhouette train cars and message saying you just can't have too many trains. 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.