describeMATERIAL - Made of premium soft polyester blend designed for maximum comfort, warmth and comfort. SIZE - Sole Size: 9-10"/23-25.5cm, Sock Length: 21.5"/55cm, Sock Circumference: 16-17.5"/41.5-45cm. One size fits best, easy to put on and take off. WARM AND COMFORTABLE - These plush socks feature a special microfiber that provides a super soft, stretchy and comfortable feel that is easy to put on and take off. Slip your feet into our furry slipper socks and they'll keep your legs incredibly warm in fall and winter. UNIQUE DESIGN - There is an opening at the bottom of the foot, which can be used as an open-toed sock or a footless sock. Keep your feet, knees and thighs warm whether you're indoors or out. You can wear them as school socks, slipper socks, comfort socks, sleep socks for all those cold days. It can also be used as a wrist warmer when you have to work in cold weather. Machine washable. The socks have openings at the feet. When walking around the house, the soles of your feet will be exposed and you can wear slippers.