- Size: 45 • Upper material: fluffy fleece that provides comfortable thermal support, ideal for winter. • Inner material: synthetic with memory foam insole and fleece surface for a soft and comfortable feel. • Sole: non-slip EVA sole, lightweight and comfortable, perfect to accompany you all day without tiring your feet. • Variety: two types of use available, easy to put on and take off, offering a unique experience. • Shoe width: normal. If your feet are wide or thick, it is recommended to choose a larger size. • Product measurements: 3 cm wide, 3 cm high, and 5 cm long.