Personalized Basketball Heart T-Shirt. Basketball heart - For anyone who loves basketball so much that a basketball has replaced their heart. Great T-Shirt - Navy Blue for any basketball fan! 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.