Only the originals will donow in a great sports style the ultimate thermal sock is sure to win even more fans heat holders rangers socks are the same great quality thermal sock that everyone wants ndash the original tog rated thermal socks in fact ndash warmer and softer than all its imitators but with a new look twin stripe and badge logo at the cuff these heat holder thermal socks have an officially tested tog rating of 23 due to the specially blend of advanced fibres in the heavy bu