The SUGARBIRD slide sandal features a leather-wrapped memory foam sole with a rubber outsole. The memory foam will give cushion to any walking surface and the molded arch will provide all-day support. The upper is leather-wrapped memory foam for ultimate comfort. This construction is about 50% sustainable with an outsole that is 100% recyclable and 40% recycled. Our footwear is meant to be in your closet for a lifetime. Wear them forever, they only get better. Best suited for narrow to average feet. For our “half size” friends, we recommend sizing up. Size 9