Description:(Note:It should be acceptable that the hat would have crease due to long distance shipment.Notice: Please pull the insulation film out before turn on the light ; and it is only suitable for cell button battery,not for charging.)Feature:Built-in 4LED head light,3 types of light brightness.Easy to use: light turns on with the switchSuitable for outdoor activity,such as hiking,climbing, fishing ,and so on.Soft and comfortable,and suitable for most people without the sex difference.Specifications:Material: spandexPattern: solidLight source: LEDLED quantity: 4ledBattery: 2x button batteryNot includedPackage Included:1X LED Beanie Hat button battery Not included