This product is a set of two men's long sleeve performance thermal baselayer tees in size M. The tops are made of a blended fabric of polyester, acrylic, rayon, and spandex, providing a comfortable and lightweight fit. They feature a solid white color and are designed for mild compression with a mid-rise. The tops are machine washable and have moisture-wicking and breathable properties, making them suitable for all seasons, especially for skiing and other winter sports activities. The Baselayer brand ensures quality and durability, making these tees a reliable choice for outdoor enthusiasts.