1. Material: The warm underwear suit is made of ultra -soft polyester. It feels comfortable and soft, without irritation, so that you can keep you comfortable and warm in cold weather. 2. Breath: breathable fabric is suitable for sweating. At the same time, the light warm clothes keep your body temperature at a cool temperature by sucking the moisture on the skin. 3. Can stretch: four -way stretch, provide you with the warmth, no thick or heavy layer. The suit can be washed repeatedly without shrinking. Machine wash. 4. Features: This long underwear allows you to keep you warm but not too bulky. You can easily put the daytime clothes or pajamas on the base layer of warmth. 5.Tights or shirts can be used as a bottoming layer or wearing alone 1. Material: The warm underwear suit is made of ultra -soft polyester. It feels comfortable and soft, without irritation, so that you can keep you comfortable and warm in cold weather. 2. Breath: breathable fabric is suitable for sweating. At the same time, the light warm clothes keep your body temperature at a cool temperature by sucking the moisture on the skin. 3. Can stretch: four -way stretch, provide you with the warmth, no thick or heavy layer. The suit can be washed repeatedly without shrinking. Machine wash. 4. Features: This long underwear allows you to keep you warm but not too bulky. You can easily put the daytime clothes or pajamas on the base layer of warmth. Tights or shirts can be used as a bottoming layer or wearing alone