Keep cosy on a chilly day with the USB Electric Warming Heated Vest Simply plug it into your phone power bank with the USB to turn it on Choose from multiple heat settings to suit your needs With warming pads that heat up to help soothe your chills Put it on by itself or under your coat for an extra layer See Full Details for product specifications Available in 5 sizes: M, L, XL, 2XL or 3XL (see images for size guide) Save 77% on the USB Electric Warming Heated Vest - now only 22.99 pounds