The Z 585 is slightly more forgiving and features a high-strength steel face insert in the forged clubhead for higher COR and ballspeed at impact. A new internal “speed groove” behind the clubface further enhances face flex across a larger area of the hitting zone for extra forgiveness on off-center hits.
If you prefer high-end milled putters then Bettinardi and Evnroll are good bets. SeeMore which is known largely due to Zach Johnson’s success (he grabbed the Green Jacket and Claret Jug with one) offers a wide array of designs.
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.