Latch Beta is crafted with a handy kick-up latch feature that attaches to your shirt for easy storage, but with its bold lens shape and double-bridge architecture, we doubt you'll take it off. This lightweight yet durable O Matter design is a fresh look that expands one of our most popular frame families. Eye Size: 54; Frame: Olive Ink; Lens: Prizm Tungsten; Lens Material: Standard Plastic