Srixon ZXiR Iron Set Flex/Shaft:Stiff/Steel A thinner CORTECH Face expands

A thinner CORTECH Face expands the high-speed rebound zone

Lens Material: Kaenon SR-91® Polarized Lens

Thinner and more flexible

As with many of our shoes

Srixon ZXiR Iron Set Flex/Shaft:Stiff/Steel A thinner CORTECH Face expandsCrafted with obsessive detail to performance and style, ZXiR blends completely new materials and cavity back construction with signature Srixon aesthetics for a game improvement model that feels even better than it looks. i ALLOY i ALLOY is a brand new steel with better feel, created by Srixon. Its significantly softer than the 431 steel commonly used in this category, as well as less dense, while still meeting the strength and durability needs Srixon