This vintage Patagonia men's one piece union suit in size medium is perfect for outdoor activities in fall, winter, and spring. The black one piece feature a zip front and a back flap, as well as a tapered leg style. The knit/fleece lined fabric type is made of a durable polyester/nylon/spandex blend that is machine washable. This activewear is great for casual occasions and is made in the United States. The solid pattern and outdoor theme make it a stylish and functional addition to any wardrobe.