My Pillow My Slippers Black Fur Lining Leather Upper Slip On Woman's Size 9 New. These slippers have the Exclusive 4-Tier Cushioning System. Layer 1 - MyPillow Patented Fill The MyPillow patented foam you know and love creates a solid layer to provide incredible comfort. Layer 2 - Comfort Memory Foam This layer of comfort memory foam provides that micro comfort and support to wear all day Layer 3 - Patented Impact Gel The impact gel is revolutionary in absorbing impact and relieving pressure Layer 4 - Indoor/Outdoor Sole for all day use • Finished with high quality leather suede made from US cowhides • MySlipper linings are soft and cozy • Indoor/Outdoor - The durable rubber outsole is designed to be worn both inside or outside