Injection molded sole technology fuses the upper and sole together with no gluing or stitching. Gore-Tex approved method provides a more durable bond for sole and Gore-Tex Sining. Duo compound mid sole for underfoot comfort. Gore-Tex lining insures warmth and dryness no matter what the condition. Brass rust-proof emblem and branding. Upper utilizes the highest quality Mirapel water resistant leather combined with hard wearing Cordura. "Stretchable" panel allows upper to adjust to a variety of calf sizes increasing the range of fit while also improving the entry into the boot.