Mizuno Prospect Series uses full grain pigskin leather, providing great durability and enhanced softness. PowerClose technology makes catching significantly easier to help your Prospect learn to love the game. It’s not a perfect first glove unless you see the PowerClose stamp. The Mizuno Prospect Series is made from Full Grain Pigskin leather for enhanced protection against hard impacts. The Mizuno Prospect series is designed with a Tartan Flex Web to help aid a young player in any position.