- Superior Breathability and Sweat-Wicking: Made from a high-quality rayon blend, this thermal underwear set offers excellent breathability, effectively wicking away sweat to keep you dry and comfortable. - 4-Way Stretch Fabric: The fabric is designed with a significant amount of stretch, allowing for a full range of motion. It provides a snug fit without restricting movement, making it perfect for active wear . - Enhanced Warmth with 280g Fleece Lining: QuietVirt women's thermal underwear set features a thick 280g fleece lining that traps heat, ensuring maximum warmth in cold weather conditions. -Designed to Last: Our QuietVirt thermal underwear set is reducing pilling, highest dyeing fastness, reducing static cling, and tagless design, ensuring it remains in excellent condition over time. -Double waistline design: The double waistline design creates a flattering silhouette and visually enhances body proportions, accentuating your natural curves for a beautifully proportioned look.