Hawaiian lava tubes are natural wonders waiting to be explored; each with its own unique ecosystem. The newest 2018 style, Lava Tube, also has unique features including an ultra-lightweight, reverse groove, thin titanium frame, with our most advanced & lightest lens material, MauiBrilliant. This slightly squared aviator is available in four appealing color combinations including our newest fashion mirror, MAUI Sunrise. Let Lava Tube lead the way to your next discovery.