Shop Rayban Aviator Liteforce. The Iconic Ray-Ban ® Aviator™ is redefined in the Liteforce Tech sunglasses series. These sunglasses are made of a new bio-material semi-crystalline thermoplastic used in aerospace, automotive, and for medical implant technology. The innovative material provides superior lightness, durability, and comfort in a plastic frame design. The super light injected construction allows the same thickness of the metal Classic Aviator. The polycarbonate lenses on this model are available in P3 polarized with a hydro-oleophobic coating which resists liquids from falling on the lens.