Material: Viscose fiber 50% Polyester 20% Nylon 30%.The product material is soft, warm, windproof and breathable. The tunable headband design is elastic and flexible for a variety of head circumferences. Reversible design, double knit fabric, thick warm, The hat can be worn on both sides.Suitable for spring, autumn, winter wear. Good production, multiple color choices, such as black, red, pink, burgundy, white, camel, gray.Lightweight, can be rolled up and folded, easy to carry and storage. Hand wash only. Fashionable, it can be worn with a variety of styles. Can be worn in various life scenes, such as offices, shopping malls, dance parties, travel vacations.