New DeMarini Lightning ASA Series Slowpitch Leather Softball 1 Dozen 11" Yellow new grip and this bat does have a rattle. engineered synthetics are strategically zoned Fastpitcxh engineered synthetics are strategically zoned in the upper to provide both breathable comfort & stability where you need it most Supportive construction is still extremely lightweight Molded 4D Foam® footbed conforms to your foot's exact shape It gets its strength from thin nylon fibers strategically placed on the upper of the shoe to hold the foot in place 300 Optic Yellow Leather Cover The Lightning series will last longer than the average slow pitch ball Meets ASA Requirements Cor