Titanium. A very dense and strong material. Seems like a very superhero thing haha.
Titanium Wedding Rings Aphrodite and Apollo Bands by RomasBanaitis, $145.00
Titanium Rings Sophia: gold anodization with london blue topaz
Men's Titanium Wedding Bands. There's something I love about the black rings...
And if you’re just getting a simple band, maybe you can splurge a little.
Men's Wedding Rings | Men's Rings - Black Titanium | Titanium Rings, Titanium Wedding Bands ...
Custom Samsara with anodized "Liung" Dragon carvings | Titanium Rings, Titanium Wedding Bands, Diamond Engagement Rings
Titanium ring Wedding band with Stainless steel Cable Inlay
Another ring from the same shop. They have lots of cool rings. $179 @Courtney Thomas