The warming ladies vest protects the body against cooling at the sensitive point at the level of the kidneys. The lithium packs (sold separately) attach under the ribs with snaps and heat the sewn-in heating element.
The warming ladies vest protects the body against cooling at the sensitive point at the level of the kidneys. The rcB 1800 lithium packs are fastened with press studs under the ribs and heat the sewn-in heating element for up to 11 hours.