Powered by Vio Motion Technology to balance the whole you. The Aqua black thong sandal from Vionic, features a wide instep band with soft support, stretch medial gore, and a cotton webbing toe post for enhanced comfort between the toes. Built on a lightweight EVA platform, it offers all-day cushioning with a dual-density outsole: a softer molded footbed for comfort and a firmer carrier foam for stability and support. Available in medium widths, the Aqua delivers the perfect balance of softness and structure for wherever the day takes you.