Designed to complement the ScentLok BE:1 Fortress Parka and complete the elite-level late-season bowhunting apparel suite, the 100% waterproof, windproof, and breathable BE:1 Fortress Bib features a soft, quiet, and flexible brushed fleece shell fabric, thermal-mapped PrimaloftTM Silver insulation for perfect warmth, and proprietary ScentLok Carbon Alloy(R) technology for maximum odor adsorption.