Only the originals will do with a proven tog rating of 22 this is one winter hat that does just what it says the heat holders microluxe hat is a knitted beanie with a thermal microluxe fur fleece lining that is designed to hold more warm air close to your skin trapping in the heat for longer a long extendable cuff with double sided heat holders tag can be folded down for extra cover and warmth and because heat holders are made with an advanced insulating yarn that has superior moistur