The product is a vintage 1970s USMC Green Alpha Uniform Wool Serge Garrison Cap Hat in size 7. This collectible military item is a representive piece of militaria from the Marine Corps, specifically sourced from Vietnam. With its unique theme and historical significance, it serves as a valuable artifact for collectors interested in military history and vintage memorabilia. Made with durable wool serge material, this garrison cap is a piece of authentic Marine Corps history from the Vietnam era.