The product is a pair of Vintage Maverick Thermal Long Johns in size XL from the 1970s. These long johns are made of a cotton polyester blend with thermal features, making them warm and comfortable. They come in a solid white color, are machine washable, and are labeled as NOS (new old stock) and sealed, ensuring their quality and authenticity. The Maverick brand adds a touch of nostalgia and American craftsmanship to this classic piece of men's underwear.