The ExoGlo 3 bodywarmer uses the finest Primaloft insulation which combined with 3 FabRoc® heating panels, one large kidney panel and two chest panels, creates a cocoon of heat (includes drawcord). This product is supplied with the EXO² 12V rechargeable power pack and charger. 12V power pack also has wireless remote control for extra freedom. And buy this exo2 ExoGlo 3 Shower Proof, Windproof and Breathable Heated Bodywarmer Vest - £179.99.