Keen Terradora Flex Waterproof Women's Walking Shoes Most hiking shoes are made for men, then sized for women. Not Terradora Flex. Keen started with a fit that follows the natural contours of your foot and then gave it the grip, cushioning, and protection you need to soak up extra trail miles with friends. Finished off with KEEN BELLOWS.FLEX technology added to the forefoot, Keen have made every step feel easier. In other words, it's a shoe that can keep up with you, trailhead to trailhead. Waterproof Upper Constructed using a performance mesh upper, these shoes provide durable weather protection and exceptional breathability. Together with the performance mesh, a breathable lining helps to ensure a constant supply of fresh, cool air that works to cool at all times. KEEN.DRY technology is also incorporated into the upper to provide resistance against sweat and moisture which is inevitable during exercise. The breathable membrane keeps your feet cool, dry and comfortable as it