outsole. The velcro closures allow you to adjust the fit across your toes and instep. The insoles are replaceable as well! Loaded with cork, memory foam and latex, the Alegria patented footbed forms to the natural contours of your foot decreasing heel and metatarsal pressure. The outsole is engineered to provide a natural rocker walking motion that propels you through the gait cycle. These features result in less stress on your muscles and joints for all day comfort. The versatile and stylish Alegria Karmen Black Metallic Fun will make your feet happy! Karmen is all about comfort for the spring and summer. Excellent condition. Worn just a few times.