The Vintage 70s to 80s Grand Slam MUNSINGWEAR Penguin Polo Shirt is a classic piece of men's clothing that exudes a retro charm. Made in the United States from a comfortable cotton blend material, this red polo shirt features a short sleeve design and a stylish penguin logo, perfect for casual occasions. The regular size M shirt is an original piece from the 1970s with a rugby-style polo look, making it a unique and stylish addition to any wardrobe.