Various SizeSize 36-37/UK3-4 .size 38-39/ UK5-6. size 40-41/UK7-8. size44-45/UK 11-12.There are a range of size for you to choice according to your needs.Premium MaterialUpper is made of nylon taffeta and down cotton filling. ultra warm. soft and breathable.suitable for long time wearing. and make your feet keep dry.The sole is made of a heavy duty fabric with raised silicone pattern that provide slip resistance on hard surfaces. and protect your wooden and carpet floor with this light-weighted slippers.Low cut designSimple and elegant outlook looks fashion and beautiful. Low cut design is easy for you to put on and take off.Multiple useThis down shoes is ideal for women. men to wear in bedroom. studying room. living room. office. dorm. hospital and other indoor wearing.Ideal GiftStylish and warm shoes is perfect for your self wearing or gift giving to your family and friends as the festival gift.such as Thanksgiving/ Christmas/ Birthday/ Holiday / Anniversary gift. It is not just a surprise but a warmth.