Winter thermal wear for the big man can be difficult to find, but Indera Mills has exactly what you need. This Big Man 100 percent cotton Expedition Weight Thermal Shirt will keep you warm this winter no matter what you need to do outside. Long johns are the quintessential winter thermal wear for men. They keep out the cold while keeping in your own body heat. The heavy weight fabric and design of this big man"s thermal shirt means you get maximum protection from the winter cold. Thermal clothing for men is the most important part of your winter garb, long johns especially. Thermal underwear cotton is made to protect the body from bitter chill. Indera Mills Company understands the importance of keeping warm in the winter and being comfortable while you do it. For that reason they designed this big man"s shirt to fit a larger body frame and protect against even the coldest winter temperatures.9.5 oz.