Nash Titan Hide XL Waterproof Fishing Bivvy Infill, Looking for a little extra protection from the elements while you’re out fishing? The Nash Titan Hide XL Waterproof Fishing Bivvy Infill is just what you need. This infill panel is designed to fit both standard and XL Titan Hides, and features a PVC door panel for improved daylight inside your shelter during wet conditions. You’ll appreciate the increased warmth and protection from the wind and rain, so you can focus on reelin’ in those big ones!