Last Christmas my son bought me an electric fleece vest. It has replaced a multiple jackets. Now all I need is Base layer, Heavy shirt, Vest, and a Shell. It has 3 heat settings and the charge will last all day. What I like best is you never have to worry what to bring to the stand, because the thing just adjusts. Especially good walking in. Leave it off no sweat, get in and simply adjust to how your feeliing.