The Keen Ridge Flex Mid WP hiking shoe offers easy flexibility and happy hiking with its new KEEN. BELLOWS FLEX technology to reduce the energy each step takes. The men's waterproof hiking boot is made of waterproof leather and performance mesh upper. It includes 5mm multi-directional lugs, stability shank, heel-capture system, and speed-lace webbing system for a comfy fit. The PFC-free, durable water repellent shoe also includes KEEN.DRY waterproof, breathable membrane, compression-molded EVA midsole, and removable PU insole for long-lasting comfort.