The Radius case is made from solid pieces of T6061 aluminum and weighs in at just 5.67 grams, far lighter than your typical 20 to 50 gram phone armor. Since it's minimalist, it's less of a buffer than the rubber and plastic alternatives, but this might be the phone protection compromise you've been looking for.
Ethan Wolff-Mann is the Gear editor for Supercompressor. A Vermont native, he loves biking, running, rock and roll, and words. He never believed a word Lance said. Hear him testify on Twitter @ewolffmann.