Under Armour HOVR SONIC feature UA Record Sensor™, which connects to the app on your phone and records your runs. The upper made of light mesh lets your feet breathe while looking stylish. UA HOVR™ technology offers a “zero gravitation” effect to maintain energy return and eliminate shocks from impact. Shaped antibacterial Ortholite insole provides support and maximum comfort. Rubber, scratch resistant outsole helps to absorb impact.