This classic mask utilizes a nasal purge and extremely wide field of vision. Ideal for snokeling around tropic reefs. The skirt and strap is made of thick rubber. Large oval shaped glass allows for maximum field of vision. The Compa Deluxe has a water purge system which is great for shallow water diving. SPECS: Frame Width: 7″ Frame Height: 4-1/2″ Glass Diaganol Width: 6-1/4″ Skirt Depth: 2-1/2″ Skirt Width: 5″ Skirt Height: 4-1/4″