Cordovan, the legendary leather known for shiny finish and characteristic rolls.
While Cordovan isn't calf, it's still leather. Saphir's Leather Lotion will work to hydrate your Cordovan shoes and keep them healthy. Saphir's Cordovan cream is specially formulated to help hydrate, polish, and shine Cordovan leather; It helps with nicks, scuffs, and buffs to a wonderful glow.
Lastly, Saphir's Renovateur works beautifully on Cordovan (What doesn't it do?)