Air Twist 360 AT-001-PG

The Ptolemy 48's distinctive coloring is achieved through a Boston shape adorned with metal engraving on the Mandi Yama bridge and front cloisonné.
By utilizing the newly developed super-elastic memory alloy "AL-29" as the material, we've achieved an astonishing springiness that makes the frames "durable + slip-resistant," providing a light and gentle fit that doesn't pinch the temples.
The moment you put them on, you'll notice the difference, feeling as if you're not wearing anything at all. The newly developed super-elastic memory alloy "AL-29" is a unique copper-aluminum alloy that is a superior shape memory alloy, overcoming the weaknesses of conventional shape memory alloys.