About Us
At Thermajohn, we work hard to keep you warm with our wide range of thermal underwear. We also work harder at providing you with the best compression gear on the market. Whether you’re an athlete, a high-level corporate professional, a stay-at-home freelancer, or a regular guy working his daily job, we got you covered. We take our products seriously and because of this, you can rest assured that no matter what your lifestyle, your comfort is guaranteed while wearing our men’s thermals or compression gear. Each thermal and compression for men’s piece is hand-crafted with precision and care and made to last a long-time.

Fashion Forward
Quality and style for everyone
These aren’t the long johns or compression gear of yesterday. You won’t have to worry about hiding the fact you’re wearing our thermal underwear or compression sports wear. We boast a wide array of colors and styles in our collection. On top of all that, we do our best to make sure each order you make is delivered to your home in the quickest way possible so you can enjoy the benefits of our clothing. At Thermajohn, quality and style are the driving force in everything we do.

Tough Stuff
For the athlete
Whether you’re hitting the street for a jog or at the gym before tackling the day, our thermal underwear and compression clothes are built tough and durable. Their tag less design is supremely comfortable and offers no skin irritation due to the properly placed seams. Each piece fits like a second skin and made from an antibacterial fabric that you can wear all day without any itching or bunching up.

MORE THAN JUST inner-wear
At Thermajohn, we believe in doing more than just keeping you kids warm. Kids long underwear is crafted for style and function. Fitting like a second skin and lined with fleece, your kids will enjoy the comfort and warmth that comes with these kids thermal underwear. They enjoy wearing them outside to stay warm and also as a pajama
Take a look at how our collections are made
At the heart of everything we do lies the process of how our products are made. With moisture-wicking material to keep you dry and comfortable to heat-retention technology that’ll keep you warm. Check out our video below or Thermajohn YouTube Channel to see part of this process and the care we put into each piece of clothing we make.
Why we do what we do
At Thermajohn, it is our belief that every piece of thermal underwear and compression clothing we make should resonate with the warmth, comfort, and support that we would get from our friends and family. Since our clothing fits like a second skin, this rings true in many ways.
From design to final product, we believe that every aspect of the process is done with a sense of purpose and drive that brings ultimate comfort to you. Every yard of fabric along with every stitch is a foundation upon which we build our ideology and shows what lies at the heart of what we due at Thermajohn.
Whether you purchase items from our long underwear or compression collection, we strive to offer the support in the most overlooked yet important aspect of your day-to-day clothing. With any of our collections, you’ll never have to sacrifice comfort for style as both of these are linked together. Like friends or family, you can’t have one without the other.