This is a 128 GSM 3-Layer Waterproof Breathable Fabric, article number WN-0039S.This technical textile is engineered with an advanced 3-Layer (3L) laminated construction, bonding three distinct layers into a single, high-performance fabric. This structure includes a durable 100% nylon face, a central waterproof breathable membrane, and a soft polyester tricot backing. This integrated design provides robust weather protection and durability while eliminating the need for a separate lining.