FUTURELIGHTâ„¢ is our best-in-class standard for breathable-waterproof technology. Using a nanospun polyurethane fiber structure, we have produced our most lightweight, comfortable and breathable membrane to date.FUTURELIGHTâ„¢ technology allows air and vapor to permeate the fabric while maintaining waterproofness, improving temperature regulation and reducing overheating in changing weather conditions.