It works best as an insulating second layer , worn directly over a thermal shirt or under a jacket, especially on cool and cold days. It has a standard length that reaches to the hips. This warm thermal underwear is made of synthetic material, ensuring durability and easy care. This women's thermal sweatshirt with 4FWarm technology ensures thermal comfort and helps maintain a constant body temperature. It features a stand-up collar with a zipper closure and a zipper lock. size range: XS-3XL cut: slim, which adapts to the silhouette standard cut reaching to the hips made of synthetic material that ensures durability and is easy to care for color blocks two-layer fleece fabric, perfect as a second layer stand-up collar with zipper and zipper lock 4FWarm technology helps maintain a constant body temperature Additional material: Polyester 90%, Elastane 10% Main material: Polyester 100%