Just picked up. Komahechi Aviators. My prescription with gradient tint. BPI Brown 15 aviator tint. Got frames on Amazon. $39.99 + free shipping. Shipped from China, took three weeks. Ultra lightweight titanium.
Amazon.com: Ray-Ban RB8136M Caravan Titanium Square Sunglasses, Demi Gloss Silver/Polarized Blue Mirrored Gold, 58 mm : Clothing, Shoes & Jewelry