Are you freezing while watching your kid play sports?
Are you freezing at work?
Hi I am Mark Silverberg, DDS, MD. I am an anesthesiologist, inventor, and Managing Member of OPERATIONHEATJAC, LLC.
Our products were designed to help OR personnel keep warm but there can be many other uses. Launched on Kickstarter to help manufacture the garments in High School colors to serve as a fundraiser for schools. https://www.operationheatjac.com/heated-jacketbattery-heated-jacket/