Nutball
TreeHouser
I'm not much of a fan of boots, and I rarely climb, but I'd prefer a good sturdy boot for climbing since tennis shoes make my feet tired on gaffs, and they don't have a heel to keep the gaffs under my arches, or the height to keep the strap off my ankle.
That being said, I prefer tennis shoes for all other tree work. They just work better for me regarding: traction, control, maneuverability, and keeping cool. I upgraded to some trail running shoes, which did have more cushion, but the rubber cleats threw me off for a while until they wore down, and were much hotter than Sketchers even though they are ventilated. I'm used to just foam on the bottom. I like the bottom all one piece whatever the material, otherwise they peel apart.
That being said, I prefer tennis shoes for all other tree work. They just work better for me regarding: traction, control, maneuverability, and keeping cool. I upgraded to some trail running shoes, which did have more cushion, but the rubber cleats threw me off for a while until they wore down, and were much hotter than Sketchers even though they are ventilated. I'm used to just foam on the bottom. I like the bottom all one piece whatever the material, otherwise they peel apart.