Stanley's Highwire for iPhone 5 ($40) is modeled after development partner Incipio's earlier Delta for iPhone 4; it looks and feels pretty much the same. The case is composed of a rubber inner layer and a thin hard plastic cage that fits around it for extra support. Some of the patterns in the material have been updated, and the size of the case has been changed along with the openings to accommodate the longer iPhone 5. Highwire ships with a plastic…