A slightly rounded toe shape and wider area in the front of the shoe improve traction and comfort while foam sockliners mold to your feet for improved fit. The Sport BOOST 3 is also built with an “Energy Sling” design that helps direct energy transfer more efficiently.
However I’d say it’s unlikely that a new iteration of the Mini is coming any time soon. Modern fairway wood designs like TaylorMade’s M3 and M4 for example are so good and so long that former Mini players can simply find the right fit and most likely get the same or even better performance.
Made for players that demand solid Mizuno looks and feel with enhanced forgiveness and distance the new 919 Hot Metal is a progressive set with slightly larger long and mid irons and more compact short irons and wedges.