Sizing Guide: please choose according to 'Size chart for this shoe' and your foot length,If your feet are between two sizes, or if you prefer a bit more room, we recommend that you order a size up.Ultra Soft and Comfy : Thick coral fleece lining for extra comfort and warmth, is a winter warm slippers indoor anti-slip cotton-padded cotton slippers .Upper Material:FurInsole Material:Short PlushSole: Thermoplastic Elastomers