Heat Holders Mens Thermal Underwear Set - - Size: XXL

This Heat Holders set of thermal underwear is the perfect set for layering as of its easily fitting design for under your clothes for a smooth slim fitting thermal base layer for the colder days where one layer isn't enough!This thermal underwear set has a TOG rating of 0.39 adding that crucial extra layer of warmth. The higher the TOG the better the garment will keep you warm. They also have Heat Holders Thermal construction which holds more warm air close to the skin keeping you warmer for lon