Alright, I’ve officially seen something new (to me, at least) in the running shoe space: shoes built just for the treadmill. Reebok recently launched their FloatZig Tread, just a few months after Adidas dropped the Treadflow, what many would describe as the “first treadmill-specific shoe” (although I can’t find that shoe available to consumers in the U.S. market.) At first, I wasn’t convinced this idea needed to exist. There are already minimal trainers, there are already…

