【Unique Invisible Crotch Design】Our women's fleece-lined leggings feature an invisible single-line crotch design. Compared to most U-shaped crotch designs on the market, our women's thermal leggings avoid awkward hip lines, fitting snugly against the skin when worn as outerwear, highlighting the hip curve, and combining aesthetics with comfort. <br>【220g Warm Wool Lining】These fleece-lined leggings feature a 220g wool lining. The thick wool fabric combined with high-quality knitting technology provides a warm and soft wearing experience. These fleece-lined leggings are of moderate thickness, keeping you warm even in cold weather, allowing for freedom of movement, and are both stylish and comfortable. <br>【All-Day Comfort Fit】These women's fleece-lined leggings are designed with your wearing experience in mind, using premium fabric, four-way stretch, excellent flexibility and support, creating an extremely comfortable wearing experience. Our fleece-lined leggings allow you to move freely in any activity. <br>【Multiple Sizes Available】Our women's thermal leggings come in four sizes to meet the needs of different women: S (90-155 lbs), M (110-190 lbs), L (130-210 lbs), and XL (140-220 lbs). Sizes are for reference only. Please refer to the size chart to purchase the appropriate size based on your height and weight. <br>【Value Two-Piece Set】Our women's fleece leggings set includes two pairs of thermal leggings in different colors to meet your daily styling needs and make it convenient for you in the fall and winter seasons. These women's fleece leggings can also be paired with dresses, skirts, vests, or cozy sweaters, making them an ideal choice for staying warm and stylish in the cold winter.