For reasons I'm not entirely clear on, Paleos sells a chainmail "barefoot" running shoe:
Delinda is not a shoe, it's a piece of jewelry! Suitable for strolling, hiking and walking on natural surfaces in, around and in waters. Order your PaleoBarefoots Delinda, the lightest among our Barefoot. A minimalist running shoe for grounding and light activities on natural grown grounds. Get undivided attention of friends and people around you - and have fun!