Microfiber SOFT COTTON YARN CABLE KNIT UPPER: ??Constructed with meticulous cable knit upper and high density cushioning, these slippers may feel a bit snug at first and then they will stretch a little to a customized fit after several wearing. Featuring a breathable cable knit design w/ stylish faux fur collar trim, the comfort cotton yarn material really offers you a soothing comfort but not making your feet gain moisture. Hand & Machine Washable. COMFY POLAR FLEECE LINING: These ULTRAIDEAS slippers are lined with thickening polar fleece for an extra layer of warmth and moisture-wicking, which will keep your feet nice and toasty whether in socks or bare foot. DURABLE & SLIP-RESISTANT RUBBER SOLE: The pliable and durable rubber sole makes the slippers perfect for indoor and outdoor use. The soles with grip on the bottom are sturdy, and prevent cold penetrating through from your tiled floors. MULTI-LAYERED & HIGH-DENSITY CUSHIONING: Padded with one layer of high-density memory foam and extra three layers of thickening foam, these slippers really pamper your feet in cozy softness and keep each of your steps like walking on the pillows. STYLES & COLOR OPTIONS: Available in your choice of Black, Dark Gray, Light Gray, Navy Blue & Red. We also have the similar style bootie slippers in our store. Just click our brand name or directly search ‘www.amazon.com/ultraideas’ to find your favorite items.