EUC Birdies The Blackbird Calf Hair Loafer Flats Sold out online Excellent pre owned condition, no marks or flaws, almost no wear on soles as seen in photos Our timeless Blackbird is crafted of premium calf hair. We covered our footbeds with a stunning satin lining for added luxury and comfort. This flat is complete with our signature grosgrain backtab and gold Birdies logo.