Buttero Aedi Derby pairs a brushed calf-leather upper with an Ideal-construction sole, built for comfortable city wear and everyday use. Key attributes: Black | Calf leather | Lightweight midsole for comfort | Gripped rubber tread | Ideal construction outsole | Round waxed-cotton laces | Leather lining | Leather insole | Derby silhouette | Brushed semi-matte finish | Rock-pattern rubber tread | Dimensions & fit: Sole height: 2–3 cm | Composition & care: Upper: 100% Calf leather | Lining: 100% Calf leather | Outsole: 100% Rubber | Wipe clean with a damp cloth. Nourish leather with a light application of natural wax and buff with a soft cloth. Avoid excessive heat or moisture; if wet, blot and allow to air-dry at room temperature.