Only the originals will do!Spending each and every working day with cold feet can make life pretty miserable, which is why Heat Holders Workforce 2.3 TOG Reinforced Heel and Toe Work Wear Socks are the perfect choice for working in colder temperatures, indoors or outdoors.These Heat Holders Workforce Socks, with their distinctive marl detail tops, toes and heels, combine all the benefits of the original, ultimate thermal sock and its soft, heat retaining brushed pile lining and proven 2.3 tog rating, with durably reinforced heels and toes designed to stand up to long days of heavy-duty usage.Copied by many. Equalled by none.