The KEEN Men's Ridge Flex Mid Waterproof Boot is a flexible boot for comfortable hiking. Heel locked in, easy flex at the fore foot and KEEN. ALL-TERRAIN rubber Outsole for plenty of grip on the trail. The long trail miles made easier with comfort surrounding your foot. The 5mm lugs aid in traction, digging in and featuring multi-direction. It's really about the KEEN.BELLOWS FLEX through each step, while KEEN.DRY aids in waterproof, breathable protection when the weather is wet. Features of the KEEN Men's Ridge Flex Mid Waterproof Boot 5mm multi-directional lugs for traction Stability shank delivers lightweight support Heel-capture system for added stability Speed-lace webbing system for comfortably snug Fit KEEN.DRY waterproof, breathable membrane KEEN.BELLOWS FLEX in the Upper for more bend and less wear Environmentally preferred premium leather from LWG-certified tannery Eco Anti-Odor for natural odor control PFC-free, durable water High-abrasion rubber tip for added durability and protection