Polyester mesh water moccasin with cork sole Polyester mesh Rivet in gilded metal Neoprene piping Ease elastics Removable cork insole PVC sole Made in Spain Size and Fit: This design runs on the smaller size, we recommend sizing up by one size. Why do we love this? The recif model is designed to be worn in the water, with a mesh that lets water pass through and a cork sole that won't get waterlogged. While the picture show the insole to be leather, it is actually cork. Composition Upper: 85% polyester 15% retroglo mesh Insole: 100% cork Outsole: 100% PVC Reference : 1290