Only the originals will do! With a soft, cute tufted foldover cuff, this pair of extra long ladies Heat Holders thermal socks will add an element of style to Wellingtons - or any long boot! The warmly insulated knee high length monopolises on the extreme warmth that only Heat Holders can provide. With an extra long, intensively brushed pile for heat retention and softness, chunky Heat Holders are called 'the ultimate thermal sock' with good reason. Heat Holders are the only thermal socks proven to keep you warm, with a 2.34 tog rating. By holding more warm air close to the skin than conventional socks, Heat Holders keep legs warmer for longer. Copied by many. Equalled by none.(11/11) Freebie! You will receive a free sock bag when buying this sock. The SockShop boss loves wearing these socks when travelling but then needs somewhere to put them after wear, this is when the sock bag comes in really handy. We will pop a free sock bag into your order when you buy these socks. Please note this will not appear online but will be included in your parcel. One per order. Heat Holders, only the originals will do.