Only the originals will doin purely technical terms mittens are better at retaining heat than gloves forming a large lsquopocketrsquo of warmth over the four fingers so it only makes sense that our heat holders 25 tog mittens are our warmest ever product for handsthe heat efficiency of these knitted mittens is increased by our heatweaver thermal lining a silky luxuriously soft fur style inner that is highly effective at maximising the amount of heat held close to the skin and is