"The Cal" is famous for its limited availability: it is not sold and is only given as a corporate gift to a restricted number of important Pirelli customers and celebrity VIPs.
2012's edition models are: Lara Stone, Kate Moss, Guinevere Van Seenus, Edita Vilkevičiūtė, Rinko Kikuchi, Saskia de Brauw, Milla Jovovich, Joan Smalls, Natasha Poly, Isabeli Fontana, Malgosia Bela, Margaret Madè.