Vionic Alexa Ballet Flats shoes with orthotic insole arch support size 8 NWOTLeather or Nappa Upper, PU Covered Eva, Rubber Outsole. Heel Height 0.51", Platform Height .10"YOUR NEW FAVORITE WOMEN'S FLAT: A simply beautiful unlined ballet flat in soft Lizard embossed leather with an elastic topline for additional comfort. These flat shoes have a casual fashion air of elegance that makes them wearable in the office, school, or just about anywhere.EVERYDAY SUPPORT: A podiatrist-designed footbed delivering unique THREE-ZONE COMFORT is built into every pair of Vionic sandals, slippers, active shoes, and flats which promotes stability and natural alignment from the ground up. Helping to relieve plantar fasciitis, flat feet, high arches, bunions, heel spurs, and lower back pain issues.Never worn!