This hat is a perfect winter accessory for outdoor activities, like camping, fishing, walking, hiking, hunting, jogging and running, etc. You can use it as a camping light, or a running light when you are running, even fishing light when you are waiting for the fish to nibble on your line, very convenient and practical. One size fits most, easy to put on and take off. Features: Fine quality kintted hat, which will keep your head warm in the cold days. Built-in 4pcs led lights, ultra bright for using at night. Easy to turn on the led light and adjust the brightness(3 levels of brightness) with the button. Stretchy material, one size fits most, easy to put on and take off. Soft and comfortable, suitable for both men and women. Perfect to keep you warm and light up your way when you go out at night, especially in cold weather. Suitable for most outdoor activities, like camping, fishing, walking, hiking, hunting, jogging and running, etc. Specifications: Material: Acrylic + Led Light Color: Red, Orange, Purple, Black, Blue, Coffee, Camouflage, Grey, Navy Blue (Optional) Gender: Unisex Light Source: 4 LEDs Powered By: 2 * CR2032 Button Cell (Included) Item Size: One size fits most Package Size: approx. 200 * 200 * 10mm / 7.87 * 7.87 * 0.39in Package Weight: approx. 95g / 3.35ounce Note: Due to the different monitors and light effects, the actual color of the product maybe slightly different from the picture color, thank you for your understanding. Package List: 1 * Knitted Hat