Noble Mount Womens Arctic Tall Slipper Socks Imported Body of slipper is 100% acrylic. Super soft faux shearling polyester interior. Comfortable, lightweight, yet warm. Knee-high slipper sock. Soft anti-skid sole. Perfect for hard slippery surfaces. Drawstring with pom poms on top. Stylish winter print knit design on outside. Size Medium fits up to US Womens Shoe Size 9. Size Large fits up to US Womens Shoe Size 11.8