The Carhartt rain bib offers complete waterproof protection.. . Polyester-backed PVC; 0.55 mm thickWaterproofWind-resistantSeams are electronically welded and reinforced in critical. areasWaist and leg openings are snap-adjustableInterior knee pad pockets with hook-and-loop closuresReinforced front and seatInterior dry-storage pocket with zipper 886859001777 22371700050 100101