From Vionic, the Women's Hayward Mesh Slip On Sneakers feature: Nylon mesh fabric and suede upper Slip on with stretch bungee laces Back pull tab Removable microfiber wrapped EVA footbed Built-in VIO MOTION Technology footbed featuring contoured arch support, with Shock absorbing cushioning, deep heel cup to provide stability and forefoot flexibility Received APMA Seal of Acceptance Synthetic rubber outsole Approx. 1.625" heel height Approx. 1.125" platform height Imported.