Xero Shoes, which makes barefoot running sandals, was originally called Invisible Shoes.
Top Reviewed Xero Shoes Products

DIY 4mm Kit
Sport Sandal / Barefoot / Minimal

Invisible Shoes 6mm Contact
Sport Sandal / Barefoot / Minimal

Z-Trek
Sport Sandal

Z-Trail
Sport Sandal
discontinued
In order to show you the most useful information, we have omitted some unreviewed products.