Ankle boots calf leatherDESCRIPTION DEVOA 2019 Spring Summer Collection. Leather used is Guidi calf leather that was re processed in Japan. The unique softness is done by using oils from deep sea fish. Matte processing was done on the front side. The sole uses an original molded sole. It was manufactured by mixing Hand McKay and cemented process. The outsole adopts a Vibram sole with a unique structure and cushioning properties, the sole returns firmly when walking so it