NOMAD’s Carbide Kevlar® Wrist Strap combines strength and style. Built with Kevlar® reinforcement, metal hardware, and secure anchor & loop attachments.
nomadgoods.com
But yeah, the bottom is a known weak point on the traditional case this year.
I was referring to an unintended air gap between the lip and port as seen on the Otterbox Symmetry, Andar Aspen, and others. These are flaws in the design and/or production, not a part of the design like the Nomad. I should have been more clear.