ECL™ or "Extreme Comfort Leather" is a proprietary waterproofing system developed with Pittards® of England. It is a membrane-free leather with a 2-year waterproof warranty. ECL Advanced Waterproof Leather is 30% softer than previous generation FootJoy performance leather. Memory Foam is located in the tongue and around the collar, providing a custom fit to enhance comfort. 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.