CARE INSTRUCTION: DARK COLORS should be washed SEPARATELY; and please refer to our SIZE CHART PICTURE before ordering to ensure a fit MICRO FLEECE: Our kids turtleneck long sleeve shirts use high quality micro fleece fabric to give your little one extra warmth in this winter THICKEND NECK: This slim fit mock turtleneck adopts thicker fabric on the neck, and with proper length and width, the neck will hold shape nicely to protect the neck from the cold and stay stylish EASY TO DRESS UP: You can easily style this basic long sleeve t-shirts with jeans or trousers, under a thicker sweater or coat for a casual chic look even in cold days BASICS NEVER WRONG: Basic mock turtleneck pullover top with long sleeve, slim fit, solid colors, delicate craftsmanship is suitable for spring, autumn and winter days