This is a durable 3-Layer Waterproof Breathable Fabric featuring a polyester grid backing, article number WN-0039G.This technical fabric is engineered with a robust 3-Layer (3L) lamination process. It combines a 100% nylon taffeta face fabric, a central waterproof breathable membrane, and a functional polyester grid knit backing. At 136 g/m², this fabric offers an excellent balance of durability and performance, making it a reliable choice for all-weather gear.