For the ultimate in stretch comfort, try Propet's Olivia. These shoes come with a soft leather and PU upper, a flexible textured vamp, and a wide hook and loop strap that fastens over the instep for adjustability. Its wider base and firm heel stabilizer means sure footed walking all day! Olivia shoes also feature blucher style with padded collar and tongue and, double removable footbed for flexible orthotic adoption and shank-reinforced PU unitsole for traction and durable wear. Material: Leather, Polyurethane.