Self-heat feature: This heated jacket allows you to stay warm during cold winter temperatures. Heated vest: Get a unisex double-sided heated vest. Power bank charge: Features a USB plug for easy charging. Two colours: Choose from black grey or black red. Winter vest: Perfect winter warmer for the frosty seasons. Five sizes: Available in female sizes UK 10-18 or men's M-3XL. Unisex Two-Sided Heated Vest | Black | Living Social