Heated vest: Feel extra warm with a heated electric winter vest. Material: 100% polyester. Sizes: Men's UK sizes XS to 2XL | Women's UK sizes 6-16. Fast heating: Feel the pads heat within three seconds of connecting to power. USB: Connect the vest to your own power bank to keep warm on the go!* Comfy: A lightweight, cosy and comfortable vest with built-in heating pads! Heated areas: Includes three electric heated areas - two on the front, and one on the back - which are perfectly placed to keep your core body warm. Heated Electric Vest | Living Social | Living Social