adidas adiZero Tour Men's Golf Shoes (8 Medium US, Light Grey/Running White/Blue) SPRINTSKIN proprietary lightweight and waterproof upper material provides a consistent fit and long lasting durability Internal Waterproof Membrane SPRINTWEB is a patent pending internal TPU layer that provides upper stability during lateral movements for unrivaled support during your swing SPRINTFRAME outsole weighs only 3.4 oz -- the lightest ever offered by Adidas This shoe is 43% lighter than a FootJoy FJ Icon!!