Amateurs out there have a chance to keep their feet at comfort by stepping into this pair of â??Ballista IV MSLâ?TM running shoes from Nike. This pair of running shoes, featuring non-leather upper and mesh lining, is designed to enhance breathability and to keep your feet sweat-free and odour-free. Stylish in design, it has a rubber sole for added ease while walking or running.Black coloured â??Ballista IV MSLâ?TM running shoes for men from Nike. These lace-ups have non-leather upper, mesh lining and rubber sole.