Mainsail XL is a direct size extension of one of our best-selling Hybrid Frames, Mainsail, providing a broader reach of water explorers the same functionality, versatility and aesthetic they've come to love. Micro side shields and hooding provide a heightened level of coverage, minimal light leak and protection from the elements. Eye Size: 59; Frame: Matte Gray Smoke; Lens: Green Mirror 580G; Lens Material: Polarized Glass