The Gaviota is the most supportive shoe Hoka builds. A firm H-shaped frame runs through the midsole and up the sides of the heel, so the shoe resists rolling inward while still landing soft.
It is for runners who need genuine support and want cushioning with it: heavier runners, people working back from injury, and anyone whose form falls apart in the last third of a long run. It is a reasonable choice if you spend hours on your feet away from running too.
It is not a light shoe and it never pretends to be. There is a lot of material here, it costs you on the uphills, and you will feel the weight the moment you try to run fast. Buy it for stability and comfort on easy miles, not for speed.