Surak (my pooch) and I have had the V1 goggles for a few years, and love them, however, the V2 is upgraded in ways we didn't know we wanted. The R&D team cares about continuing to provide dogs with comfortable protection.
We use these nearly daily on the motorcycle, and Surak wears them for many hours at a time. The lenses have proven to be sturdy, and I personally love the look of the mirrored ones.