Bulldozer Silicone Case for iPhone 5
Bulldozer is extra-protective and impact resistant, inspired by bulldozer tracks and made tough for active lifestyles. Enjoy easy-grip texture, constructed edges and access to all functions. Includes screen protector.
Mac World - "If you're concerned about exposing your iPhone to drops, bumps, or other impact, the Bulldozer is a fine option for protecting it."