Nokona BB-1250H Buckaroo (SandstoneChocolate Kangaroo) First Base Mitt 12.5 (Right Handed Throw) : Chocolate Kangaroo Leather on the back of the hand with sturdy Sandstone leather on the palm. Kangaroo leather is amazingly storng and lightweight, and Sandstone adds the body and form needed to maintain a solid pocket and overall fit.