- Style: Sandal with adjustable straps and buckle closure. - Material: Water and eco-conscious Terracare leather. - Lining: Unlined - Insole: Terracare leather (Fixed and non-removeable).- Arch: None, they are flat.- Outsole: Natural crepe rubber - Fit: Medium to wide fit, a wide toe box that allows toes to splay naturally, offered in European sizes.Very nice sandals, check em out.!!!Size according to DuckfeetUSA size chart, thanks for stopping by.