Bally Mens Oxfords & Derbys. SKU: 6228263. Color: Prune. Bally Mens Nitilcon/58 Brushed Calf Leather Derbys In Prune. Bally Nitilcon Derbys, featuring a slip-on style, a leather construction, round toe, branded insole and a rubber sole. Made in Italy. Please visit the brand website for sizing information.