The laws of thermodynamics state that heat always migrates to colder areas. With the long-sleeved Thermic LS Baselayer Shirt REV IT! fights physics with physics. Thanks to the use of hypoallergenic Dryarn® fabric in very specific, strategically placed knit patterns, REV IT! s R&D department has succeeded in developing a long-sleeved baselayer shirt that actively insulates body heat. At the same time, sweat is wicked to the outside, absorbed by the fabric & evaporates away from the skin, so moisture can t move back & forth between the cold outside & the heat inside. Even the raised, elastic collar is designed to actively insulate body heat. Much more than just underwear By effectively trapping body heat, your body has to burn fewer calories & expend less energy to maintain its temperature. Energy that you could put to good use instead to stay efficient & focused. The Thermic LS Baselayer Shirt is so much more than just underwear. Features Body hugging fit
- Tight Fit 3D circul...