Volt Heat Cracow Heated Vest The Volt Cracow is a puffer-style quilted heated vest with 80 grams of lightweight insulation that gives you warmth without the bulk. The Volt Zero Layer heat system helps eliminate bulk while providing more efficient heat transfer than any other heating system available. Constructed out of nylon shell, the Cracow is lightweight enough to be worn under a jacket to help keep you warm and dry in even the worst cold weather conditions. The Volt Cracow is a powerful heated vest with a 3 zone heat system with two panels on the chest and one large heat panel on the back powered by a 7 rechargeable lithium battery. No matter if you are climbing the nearest mountain or going down the block to get groceries, the Volt Cracow Heated Vest's form, fit, and function is second to none. Features: Nylon shell 80 grams of polyester insulation Ultra-thin stainless steel heating wires permanently bonded to the lining fabric 3 zone heating with 2 panels on the chest and a large back panel Provides over 150 degrees of soothing heat for 2+ hours on the highest setting 2 zippered hand pockets Zippered chest pocket Zero Layer heat system Includes one VB730Y 7.4V rechargeable battery and single wall charger Approximate Battery Run Time per Power Level: 100% High – 2.5 hours 75% Med/High – 3.5 hours 50% Medium – 5 hours 25% Low – 10+ hours Volt Heated Vest Size Guide: Small: 36 - 38" chest Medium: 38 - 40" chest Large: 41 - 43" chest XL: 44 - 47" chest XXL: 48 - 51" chest Volt Heat Cracow Men's 7V Insulated Heated Vest