Grundens Men's Neptune Thermo Waterproof Fishing Bibs - Built with medium-weight, polyurethane-coated fleece lined fabric, these bibs move and stretch with you as you work on deck, yet it still delivers 100% waterproof protection against rain, wind and spray. The thermo-lining provides an added layer of warmth when battling frigid temperatures. Based on the patterning and fit of our best-selling Neptune Bibs. Polyurethane-coated fleece lined fabric Medium-weight 100% waterproof Style: 10210