Introducing the Maui Jim Unisex The Flats 897-03 Polarized Sunglasses. The Flats model, available in a fun two-tone color palette, is the perfect companion for your active getaways. Its SuperThin glass lenses, set in a double-injection nylon frame, offer optimal optics allowing you to savor the details of your adventures. With a practical rectangular silhouette, this model perfectly adapts to the versatility of your outdoor recreational activities, whether it's fishing in the shallows or exploring the open sea.