Cashmere Calf is as soft as lamb, but much stronger. Lamb skin usually is small and do not have strength fibers but feeling gorgeous soft. This oil calf leather has imitated the look and tenderness here on stronger calfskin hides. Hand stitching on this Italian aniline dyed oil calf leather for extended durability. Top layer & flip over side is using the same leather with raw edge. This is a premium quality replacement strap definitely ideal for luxury watches such as Panerai.