Like CandyShell—and Incipio’s earlier Faxion and [Ovrmld] cases—Stashback is mainly hard plastic on the outside, and lined with rubber. That softer material extends above the iPhone’s front edge, creating a protective lip. It also pokes through the plastic to cover the Sleep/Wake and volume buttons. The former feels a bit squishier than when it’s not covered, but the latter set maintain their tactility. One immediately…