This thermal set is a great addition to your undergarments. The fabric is mostly microfiber and also spandex for added stretch. The feel is super buttery soft and will be one of the most comfortable items you own. There are several high-end features that come along with this thermal underwear set. Some include, quick dry properties, heat retention, and it has a four-way stretch. This is a matching outfit with a solid long sleeve top and legging style bottoms. Some other details include a crew neckline and the bottoms have an elastic waistband for a better fit. This set is so giftable and any Woman in your life would enjoy it. This is very versatile and perfect for fall and winter. Wear this set to sleep, lounging around, under your snow gear to go skiing, you name it.