Vionic Women's Spark Caroll Ballet Flat Oxford The insole is also made

The insole is also made of boiled wool

SAS CoolStep™ foot beds are anti-bacterial

rugged outsole

Steel Shank: A metal shank is fitted under the insole for additional support and long lasting quality

and more traction—so you can go even further and stay out there longer

Vionic Women's Spark Caroll Ballet Flat Oxford The insole is also madeThis classic ballet flat gets a luxe upgrade with its comfy elastic top line accented by delicate stitching and crossover details. Upper: Leather. Footbed: Removable microfiber wrapped EVA. Outsole: TR. Biomechanically designed to hug your arches, Vio Motion Technology helps support natural alignment from the ground up. Received APMA Seal of Acceptance. FIT & CARE Available in women's whole and half sizes in two widths. Medium width, sizes 5, 6 10,