As part of the new Orvis Ultralight Wading System, the men's Ultralight Convertible Wader is a remarkably versatile, innovative wader designed in a lightweight package without sacrificing durability and performance. Incredibly comfortable modern fit offers superior performance without the traditional weight and bulk. In storm. Outer shell: 100% nylon. Membrane: Bi-component Polyurethane. Liner: 100% nylon tricot. Imported.