Pros Unisex Waterproof Thigh Waders are made of the highest quality 680gram Heavy Duty Plavitex, making them by far the best value for money waders available.Tough Wearing Waders from Pros Feature: Heavy Duty Material: 680gram Plavitex smooth PVC coating with soft polyester reverse. High frequency welding makes seams stronger offering protection in the most extreme conditions. Double stitched / double welded for extra durability. Fabric has a slight stretch for comfort. Sturdy PVC boots with a deep profiled sole provide you with optimal grip on any surface. Designed to be used by both professional fishermen and for leisure fishing activities. Waders are manufactured to a standard shoe size so we recommend your usual size of shoe. PLAVITEX is a polyester based fabric coated on one side with PVC. It is resistant to tearing and has waterproof stitching.Due to the unique chemical composition of the coating the fabric can withstand adverse weather conditions and bending at temperatures down to -50°C. The fabric meets the requirements of the EN 343 standard, which has been verified by tests conducted by a certified textile testing institute.