According to Srixon, the ZXi7, which is a single-piece forged iron, is 7 percent softer than the ZX7 MkII iron it replaces, while the faces of the ZXi5 and ZXiU are 14 percent softer.
Loft and lie Loft refer to the angle of each of your irons. This is fairly straightforward. For example, the most lofted club you can get your hands on is a 64-degree wedge and at the other end of ...