These thickened cotton slippers are designed to provide warmth in winter. The upper is made of faux shearling, which is soft and warm, offering a skin-friendly and comfortable experience. And the lining is cotton fleece, providing excellent warmth, making them perfect for the cold season. Additionally, the insole features high-density memory foam that effectively relieves foot pressure and perfectly fits your foot shape, ensuring every step is well-supported. The non-slip soles offer a firm grip, effectively preventing slipping and ensuring you can walk safely in any indoor environment.