Acorn Chinchilla slippers keep your feet warm and happy all winter long with their soft faux fur collars and linings and plush memory foam insoles. Flexible and plush polyester uppers offer outstanding warmth and comfort. Rich polyester faux fur collars and linings manage moisture while providing regulated warmth. Lofty memory foam midsoles layered over featherweight EVA foam creates custom cushioning, warmth and support. Raised heels and arches add support underfoot for enhanced stability and comfort. Weatherproof thermoplastic rubber outsoles deliver non-slip traction indoors and out.