The STZ and STX series are hoping to convince people that Mizuno has made large strides in their Drivers, Fairway woods and hybrids. This is primarily achieved through their Cortech chamber which sits weight low and forward. In the STZ 230 (my model), they are touting "straight, stable and...
STZ 230 9.5 degree; HZRDUS Smoke Black RDX 60G, 6.0 Flex TSI 2, 3W 15 degrees TSI 2, 3 Hybrid 18 degrees TSI 2, 4 Hybrid 21 degrees T200 5 Iron T150 6 thru PW SM8 48 & 52; SM9 58 degrees Special Select Fastback 1.5 Putter; ER5v Hatchback Putter Pro V1-2023 & ...