30Seven Base Layer Regular Fit Sleeveless with Zipper

30Seven Base Layer Regular Fit Sleeveless with Zipper for Men and Women Color:Black Size:Small RECHARGEABLE HEATED CLOTHING: Made with removable Novaheat® tech. Hot spots on the neck, shoulders, kidneys and lower back. Made with reliable German/Belgian technology and American textiles (Primaloft & 3M Thinsulate), assembled in Europe. LIGHTWEIGHT BASE LAYER VEST: Comfortable vest undershirt is 100% polyester OUTDOOR CLOTHING AND GEAR: This heated shirt is suitable for everyday life, outdoor, industrial work, motor sports, cycling, winter sports, hiking, and more. Easily worn under any jacket for all occasions. INSTANT HEAT: With 4 heating levels at the click of the button. The removable warming battery lasts up to 10 hrs on 25% heat, and up to 2.5 hrs on highest setting. Recharges in 4-5 hours. BASE LAYER SET INCLUDES: 1 battery-powered mesh base layer shirt, 1 removable heating element, 2 rechargeable lithium-ion batteries, and 1 dual charger.