A modern silhouette is combined with fine materials and lively details. The design features a logo on the sides, Mase lettering on the label, and contrasting treatments for enhanced visibility. logo on the sides Mase lettering on the label contrasting treatments Size: 40. Gender: Male. Material:Rubber/Polyethylene vinyl acetate (PEVA)/Thermoplastic Polyurethane (TPU)/Calf Leather/Polyamide/Fabric/Goat Skin.