The North Face Chilkats Hiking Boot - Men's Viszla Brown/Cub Brown 7.5 Waterproof construction for ultimate weather protection Upper: Waterproof, BLC-compliant leather upper200 g Primaloft insulationDri-Lex&reg fleece collar and tongue liningAnatomically engineered, injection-molded waterproof TPR shell with forefoot grooves Rustproof hardwareGaiter-compatible D-ring Bottom: Compression-molded EVA midsole Durable TNF Winter Grip rubber outsole