Conceptually, Bumpr’s core is comparable to co-molded cases such as the pioneering CandyShell. On the outside is hard black plastic with a finish that hides scratches significantly better than Speck’s case, while the inside and edging are either black or color-matched rubber—you receive two bumpers in each package. The core can serve as a decent case on its own; it’s lacking button protection, but is otherwise surprisingly…