Vionic Bellaii Womens Blue Flip-FlopsOur best selling flip flop for a reason! The supportive contours hug your foot for all day wear no matter your destination. 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