From Vionic, the Unwind Suede Faux Shearling Lined Bootie Slippers feature: Suede upper Slip on with medial gore Faux shearling lining Microfiber footbed provides superior comfort Synthetic outsole Approx. 0.125 platform height Approx. 1.375" heel height Imported. Styling Notes: It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support.