The Extra-warm Fleece Indoor Socks are one of the must-have items in your wardrobe in cold weather. The fleece can trap the heat effectively and warm your feet from the toes to the calf. The soft fleece is comfortable to wear and you can feel like walking barefoot. The socks are stretchy that they can be rolled up and down. Also, it is suitable for wearing to bed to enhance warmness and improve blood circulation when sleeping. Moisture-wicking Acrylic&Polyester fabric keeps your feet dry and comfortable. Medium thickness is available for all seasons. The anti-slip grips on the bottom are made of natural silica. Designed for exercise and perfect for home, gym, hospital, or travel to be a hygienic alternative to bare feet. The anti-slip socks are very easy to wear for pregnant.