Grundens. - Fabric: A knitted nylon base material (1. 5 oz. per yard), laminated to a PVC layer (8 oz. per yard). The result is a lightweight, soft, flexible 100% waterproof material that offers reasonably good durability. - Applications: Utilities, Municipalities, Food Processing, Building and Road Construction. This material is not recommended for abrasive environments, but is more suited for activities such as surveying, equipment operation and traffic control. - Features: Attached hood, set-in sleeve design, snap front.