Diamond Professional League Baseballs With DriCore Technology! Diamond's new DriCore technology helps prevent the baseball from absorbing water and weight in wet field conditions. If a ball is subject to extreme water conditions, DriCore technology will accelerate the drying time, making the ball playable sooner. Diamond Professional League Leather Baseballs feature: Cushioned cork center A-1 grade grey wool winding Premium leather cover DriCore Technology Diamond Seam (raised seam) design for feel and control Available in Dozen quantities Baseball Division Diamond...Simply The Best! Color: White. Gender: Unisex.