Choose Half Size Bigger – Our Cobian sandals are available in whole sizes only. If you fall between sizes, we suggest selecting the next size up. For example, if you wear an 8½, go with size 9 to ensure maximum comfort and a perfect fit. Water-friendly synthetic leather strap with contrast stitching. Cold-pressed EVA footbed with diamond deck pattern for grip. Cross anchor logo detail. Cobian AquaTread full rubber outsole, non-marking and boat-friendly, for enhanced grip in wet environments.