Mizuno MP-37. Classic forged muscle back design. More compact than the MP-33, with minimal offset, a flatter mid-sole and raised centre of gravity, the Mizuno MP-37 is designed for powerful ball strikers seeking a penetrating flight.Grain Flow Forged 1025 select mild carbon steel provides outstanding feel. Durable double nickel chrome plated with mirror finish. Modified U-Grooves produce the ideal spin rate, for maximum playability in all conditions. Rolled leading edge, flatter mid-sole, and rounded trailing edge deliver consistent striking ability demanded by professionals and top amateurs.