Each product we feature has been independently selected and reviewed by our editorial team. If you make a purchase using the links included, we may earn commission. Whether you're an avid skier, someone who enjoys winter hikes, or a person who's always chilly during the colder months, you're probably familiar with thermal underwear, sometimes known as long johns. There's no shortage of thermal underwear on the market, especially on Amazon, and after scouring customer reviews, we've found some of the best, including this women's set that's deeply discounted right now. It's on sale for as little as $27, down from $50, so if you'll be traveling to a cold location soon, you'll want to pick this set up ASAP. The Bodtek Women's Thermal Underwear Set is made from a soft, stretchy blend of polyester and spandex and has a heat-trapping fleece lining. Both the long-sleeve top and leggings are moisture-wicking, breathable, and odor-resis...