Personalized My Favorite Hockey Player Calls Me Sister T-Shirt. Whether you're at the rink, watching a game, or just hanging out, it's a great way to express your pride and connection to the sport. 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.