The popular lifestyle Delta provides full coverage with a square shaped frame and larger lenses. This unisex frame is large enough to comfortably fit a man's face while offering a look that's also desirable for women. Featuring the classic GATORZ durability, the Delta offers the perfect combination of function and style. The Delta is perfect for a range day, working out, or any outdoor adventure. The M4 features lightweight, windowed temples which offer a unique take on the classic Delta.