【Round Neck Neckline】Mens Thermal Underwear Vest is equipped with a round neck neckline design, which is delicate, simple, elegant, and chic and embellishes a man's masculinity. 【Double Face Velvet Design】Warm Velvet Vest is equipped with a double-sided velvet design, which takes away moisture to leave the body dry with soft features and provides fine performance of elasticity. 【Keeping Warm Design】Men's Thermal Vest uses science and technology heating fabric for circularly locking in more heat, which keeps you warm efficiently for a long time and lets you enjoy a warm winter. 【Suitable for】Suitable for a variety of indoor and outdoor activities. You can wear a fleece thermal vest for long periods of time during strenuous activities without having to worry about the smell. 【Exquisite Workmanship】Equipped with an exquisite stitching process, Men's Winter Underwear Vest has smooth uniform wire diameters in all directions and reinforces the sewing of key parts.