Outerwear: Get a USB heated vest! Material: Made from 100% polyester. Care: Machine washable (remove power bank before washing). Three modes: Warm: 45℃ (Red Light), Comfort: 35℃ (White Light), Energy Saving: 25℃ (Blue Light). Sizes: in UK women's 6-16. Working time: Up to 8 hours. Women's Heated Usb Vest | Black | 6/16 UK | Living Social