These men�s warm ribbed thermal vests are made of 100% pure natural cotton The stylish cut is simple and round The clean sewing process makes wearing more comfortable, the shirt softer and it does not wrinkle easily. According to the needs of the human body, a professional team is set up for innovative design to provide our customers with healthy, comfortable, safe, and fashionable products. The round neck and U-shaped cuffs are simple and stylish, suitable for sports, home, leisure, and outdoor. The men's vest is designed with a classic round neck and slim shoulder straps, with fine cuff cuts, no annoying labels ? The men's vests are high-elastic and soft comfortable and durable not easy to deform and shrink ? These undershirt men vests are easy to put on and take off, comfortable for long-time wearing ? These white vest black vest men good breathability, moisture and sweat absorption, no label ? Ribbed binding around the arm openings and neckline make the tank top mens winter vest more durable ? Mens vests casual are machine washable or hand washable below 30 �C