Our Christmas fluffy fuzzy socks are made of cotton material. 3 in 1 - wear your jacket three ways. ▷ Waterproof Fleece Thermal Thick Jacket. 1Pcs Fleece Thermal Thick Jacket. Our Christmas fuzzy socks are easy to put on and take off, the moderate thickness with proper elasticity is nice to keep your feet warm, you can wear it as boot socks or as slipper socks to lounge around the house.