Giordana Womens AV Windfront Bib TightsSTAY WARM AND PROTECTED FROM SUDDEN STORMS, WET ROADS, AND COLD AND WINDY CONDITIONS. The AV Extreme Thermal Bib Tight utilizes a breathable three layer fabric that provides protection from the cold. This fabric is treated with an Acqua Zero Eco hydrophilic treatment that bonds to the fibers to repel water. The third layer of wind resistant membrane is strategically placed to provide warmth, starting with the middle of the body where the legs meet the