BANDED GEAR CALEFACTION 3-N-1 INSULATED WADER JACKET, brand new and never been worn, Calefaction, kal-e-fak’shun, adj. act of heating: state of being heated. It’s everything you need in one do-everything, hunt-anywhere wader jacket, designed to keep you warm. Enter the Calefaction 3-n-1 Wader Jackets. perfect for the winter season, real price in the store $329.99 plus tax.