Mach & Mach Ladies Flats. SKU - R25-S0927-10-NET-B17. Color - Black. Mach Mach Crystal Net Ballet Flats. These Mach & Mach ballerinas feature a square toe, delicate straps, and sparkling crystal net embellishments. Designed with an ardillon-buckle fastening, they have a flat leather sole and a branded insole for a luxurious, elegant finish. Made in Italy. Please visit the brand website for sizing information.