Everyone who plays golf is something of a closet geek. How else can you explain our (yes, I include myself in this group) obsession with the latest biometric-based designs or the newest high-tech components like polymers and alloys and all the other neat-sounding stuff that clubmakers pack into their new products?
One of the hottest areas of innovation is in clubs for women, who now make up nearly a quarter of the 24 million golfers in the U.S., with young women becoming the fastest-growing group of all. So when Callaway and Nike, two of the leading golf-equipment manufacturers, recently released new...