Great elasticity: our women's heated vests are designed with assorted sizes with great elasticity; We suggest referencing the model's body-shape data, try-on size, and referring to the size chart before purchasing; If you are between two sizes, choose a small size that corresponds to a snug fit or underwear fit, and choosing a larger size corresponds to a loose fit or an outfit look Multipack Value Offer: If you are passionate about various indoor or outdoor sports, prone to sweating, or frequently clean and change underwear, our set will provide sufficient quantity to meet your daily needs with plenty of extras whether for personal use or to share with your family and friends Quality Warm Material: our thermal tops for women are crafted from quality polyester fiber; Thermal lined ensures always warm even when exposed to low temperatures for extended periods, such as skiing, ice skating, snow shoveling, winter fishing, mountain climbing, patrol work, and various other outdoor activities; lightweight material means they help stay stylish and don't make you feel bulky Elegant 2-layer Design: the 2-layered structure features an elegant design, including a delicate beautiful threaded outer layer and a soft reliable thermal inner layer, ensuring a breathable, lightweight warm experience; The exquisite craftsmanship lends to a lightweight, warm, and comfortable experience, making it ideal for winter wear whether as an interior or exterior outfit Dressing advice: Temperature between 10-15℃: pair a warm vest with a shirt, cotton jacket, sweater, etc; Temperature between 0-10℃: the vest can be paired with thicker overcoats such as down jackets; Temperature under 0℃ or if in harsh weather like hail and blizzards, this vest will be an ideal addition to your low-temperature clothing collection, providing a snug fit with additional heating experience to match any warm clothing Features: Stylish colors: Available in an array of classic stylish colors, our winter underwear thermal women add color to your wardrobe. The colors ensure that the vest complements any outfit effortlessly. Versatile and fashionable: Not only do these women's thermal tops prioritize comfort, but they also cater to style. The exquisite design adds an understated, fashionable touch to your outfit, making them suitable for winter wear, whether indoor or outdoor. Specifications: Material: polyester fiber Package includes: 3 x Thermal tank top Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.