1、 Adjustable and detachable chin strap: detachable windproof face cover for flexible use when needed. You can choose whether to disassemble or not according to your needs, the design is great! Equipped with an adjustable chin strap, it can be customized for a warm fit and closer to your face. 2、 Multifunctional: On cold days, the package suit provides you with a super warm and comfortable feeling. All-round functional winter hat and earmuff protective cover set, covering face, ears, nose, mouth and even eyebrows. 3、 Great material: machine washable, not drying. polyester shell, full artificial fleece lining, with super warmth, softness, windproof, snowproof, waterproof and moisture-wicking characteristics. 4、 One size is most suitable: exquisite winter gifts for Christmas, Halloween, and New Year's Day. One size fits most adult women and men with a head circumference of 56-60 cm/22-26 inches. Wear our unisex winter hat to protect your head and face from the cold. 5、 Perfect choice for winter outdoor activities: this catcher hat pilot hat is very suitable for skiing, snowboarding, hiking, motorcycles, bicycles, biking, mountaineering, running, walking the dog, or just in the cold winter with snowy/windy weather, a great choice for adult daily wears. 1*Hat Material: polyester, fleeceSize: brim 7.5cm, height 26cm, width 17cmRecommended head circumference: 56-60 cm/22- 23.6 inches for adult females and males