Women's Bugabootâ„¢ III Boot - This product was designed without any PFAS (Per- and Polyfluorinated Substances), also known as 'forever chemicals'. Instead, we use a DWR finish that allows your gear to repel water without harming the environment. Omni-Grip non-marking traction rubber Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return Waterproof leather upper. Injection molded shell. Waterproof seam-sealed construction. 200g insulation.