The standard CandyShell is as close to minimalist as a dual-layered, dual-material case can get without losing all sense of style. Speck deliberately chooses different colors for the inner and outer materials, carrying the rubber through holes in the hard plastic to form button covers, corner accents, and a front protective lip. CandyShell Grip goes one step further, with parallel and perpendicular rubber stripes running across its sides and back,…