Korie model by Mephisto: This slip-on is made of high-quality soft calfskin, with elastic stretch-elements on the sides to enable the wearer to slip them on and off effortlessly. Equipped with an exchangeable footbed, its perfect fit and fantastic wearing comfort makes it a must-have. The integrated SOFT-AIR TECHNOLOGY, as well as a non-slip, light, flexible sole of 100% natural rubber natural rubber ensures downy-soft, fatigue-free walking, and reduces hard tread impacts to an absolute minimum.