Mizuno ST-X 220 Driver Flex:Regular Flex - UST Helium Nanocore This combination of heavier steel

This combination of heavier steel and lighter aluminum moves weight to the perimeter

Each face is uniquely designed throughout the lineup to optimize performance

smoothness and improved ease of use

the Cirque Short-Sleeve Pullover is waterproof

and a generously stretched profile at address

Mizuno ST-X 220 Driver Flex:Regular Flex - UST Helium Nanocore This combination of heavier steelMizuno ST X 220 The ST X 220 is a confidence inspiring, draw biased driver with heel focused weight location. The ST X will appeal to players seeking a higher, right to left ball flight. With higher spin rates than its ST Z counterpart, the ST X, will suit moderate swing speeds, needing help producing a more extended ball flight. A new 20 gram heel biased back weight creates a deeper center of gravity for more efficient, longer drives more often. Also