Imagine staying warm with less restrictive clothing. This four-way stretch softshell with fleece lining is windproof and water resistant, but most importantly it has a built-in heater powered by a 4.0 lithium battery. Ultrafine metal fibers provide heat to two chest panels and one back panel to keep the core warm. Four heat settings good for 2 to 10 hours depending on the setting. Electric heated vest in gunsmoke. Polyester shell and lining. Washable. Imported.Sizes: S(34-36), M(38-40), L(42-44), XL(46-48), XXL(50-52), XXXL(54-56).