Light as a feather, lighter than air. Light as a feather, lighter than air. This is no séance. It's Atom, Alvar and Astro, made of 100% titanium. Organic in shape and fitting into the bone structure of the face, the three pieces come in unique, vivid color palettes. (No clips by the way) Alvar (named for Finnish designer Alvar Aalto) has a wider bridge fit for the bigger head, but a small lens shape. Atom is an updated Pantos shape with room for a progressive on the progressive minded! Astro is a cool rectangular marriage of Streb and Haskel. Honestly....who knew... ti0ta0ni0um (th-tE2nT-›m, t*-) n. Symbol Ti A strong, low-density, highly corrosion-resistant, lustrous white metallic element that occurs widely in igneous rocks and is used to alloy aircraft metals for low weight, strength, and high-temperature stability. Atomic number 22; atomic weight 47.90; melting point 1,660°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4.