A "Nike Baselayer" refers to a specific category of clothing produced by the Nike brand, known as baselayers. Baselayers are a type of athletic apparel designed to be worn as a base or first layer of clothing during various physical activities, particularly in sports and outdoor activities. They are designed to provide several key functions:

Moisture Management: Baselayers are typically made from moisture-wicking materials, such as polyester or blends of synthetic fibers. These materials help to wick sweat and moisture away from the skin, keeping the wearer dry and comfortable during intense physical activities.