Storm Active Trainer Vionic Black

Upper: Textile/PU. Footbed: Removable Textile. Outsole: Rubber. Our innovative podiatrist-designed FMT Technology provides superior orthotic support, relief and stability which helps realign the feet back to their natural position. Research supports FMT Technology's success in reducing over-pronation, which can help relieve associated common aches and pains, such as heel pain (plantar fasciitis), knee pain and lower back pain.