The product is a men's XL blue Patagonia Capilene base layer shirt made of polyester. It features a long sleeve, pullover closure, crew neck, and is designed for activewear occasions. The shirt has a dark fabric wash with a USA-themed design, making it suitable for casual wear. With a chest size of 48 inches and a shirt length of 28 inches, this basic style shirt is proudly made in the United States by the renowned brand Patagonia.