17697-R7-006 At first glance, our Black Edge Ring looks just like a premium, titanium ring. However, our flexible elastomer and breathable inner grooves keep you feeling comfortable while still looking good. Allowing air in and moisture out, this is the perfect replacement for your traditional wedding band. Features Perfect Design with unique medical-grade materials for undeniable quality beyond any silicone ring that came before. In a class of its own. Width: 8mm or 5/16" Thickness: 2mm or 3/32" Breathable grooves allow air in and moisture out with a specially designed, comfort inner-band to give you maximum breathability and performance. Sleek angular lines, perfect for the board room or the slopes.