The primary way to keep warm is by trapping your body heat so it doesn’t escape. Thermal underwear made from synthetic fiber helps you retain the heat while keeping away the biting cold. So whatever you‘re doing in the winter, it’s wise to budget for some sets of thermal underwear for everyone in your house.

Are you into sports or intense Activity Outdoors?
You realize how important clothing impacts your performance in the winter if you’re an actively outdoorsy person. For runners, for example, wearing sweat pants and maybe a light hoodie is enough when it’s still summer. But in the frigid cold, if you tried this, you’d freeze to death. Thermal long john for men and leggings for ladies give you the comfort you’ll need to concentrate on beating your time for the last run. Of course, you expect to warm up very fast, depending on how quickly you’re running or any other intense activity you’re doing. So, you can’t wear too much clothing because you’ll sweat like a pig. If you’re the kind of person that gets cold, a thermal set is best for you because you have both the upper and lower torsos protected. Before leaving the house, you need to consider adding the following to repel the cold entirely.
•    Hat or beanie
•    Mittens or gloves
•    Running socks made from wool  

Other than Warmth, What else?
Not everyone is fortunate to get a winter vacation break, so keeping warm is part of the bargain if you’re going to be working this winter. The good news is that the designs for long johns today afford you more than warmth. You may have noticed professionals from doctors to cabin crew spotting these garments. The trendy styles available in the market today support your fashion sense, so you don’t look sloppy or disheveled. Another thing is their breathability that enables you to regulate your body temperature.  Wearing the suitable fabric and the right fit for your thermals allow any sweat that you produce to evaporate, thus helping you cool down as the sweat evaporates. It doesn’t matter if you’re working or running on a track, your body will remain warm, while not getting wet.

Thermals Fabric Choice
Apart from synthetics, Merino wool and cotton are other materials used in making thermal underwear. If you’ve had the unfortunate experience of feeling clammy or wet while outdoors, you know that cotton isn’t suitable for thermal wear. Thermal underwear made of cotton absorbs and retains moisture. You may suffer discomfort or worse still, you may experience hypothermia. Synthetics are the choice of fabric that adds value for every buck you spend. They keep you warm but allow flexibility because they’re stretchable and give a tight fit, so easy to layer with other clothes. Merino wool is expensive, so unless you’ve got skin conditions that restrict you to natural fibers, you’d instead go for the synthetics.

You can have winter wear that’s suitable for every activity. Bodtek thermals come in different colors and easy-to-follow guides on how to clean and maintain them so they can endure for a few more winters.