ECLTM or "Extreme Comfort Leather" is a proprietary waterproofing system developed with Pittards® of England. It is a membrane-free leather with a 1-year waterproof warranty. ECL Advanced Waterproof Leather is 30% softer than previous generation FootJoy performance leather. Memory Foam is located in the tongue and collar, providing a custom fit to enhance comfort. HeelLoc Zone - This silicone heel zone reduces friction and keeps your foot safely harnessed in the shoe, with a Leather linings providing superior comfort and in-shoe breathability. Lightweight Cushioned PU Fit-Bed creates Superior, long term underfoot cushioning. Laser Last - Full rounded toe character, standard fit across forefoot and instep, with a slightly narrow heel. The Laser Last is a composite of thousands of digital scans of the FootJoy Laser Fitting System. TPU framed EVA for motion control and maximum stability, with a tri-density outsole providing a durable and stable hitting platform during the golf swing.