i'll agree with what has been stated above about adrenaline vs cascadia…
i run, walk, and hike, and i have been plagued throughout the years by poor choices in footware. as we get older, gravity catches up to us! when i was twenty, i could have worn trashbags and been fine… not anymore! at a wedding rehearsal, a knee surgeon recommended a particular running shoe store for me to get fitted… the result… brooks dyad 5 shoes… the best running shoes i've ever worn – six months in, my ankles and knees don't ache.
i tend to put more weight on the outsides of my feet than the insides, the these particular brooks shoes correct for that – passively, i might add.
so… i was just back at that shoe store, and they recommended the brooks cascadia 5 model – given my success with the dyad 5.
the cascadia model is identical to the dyad – but with different, more durable materials for the trail. i tried one on each foot, and i could not tell i was wearing different models.
so, it makes sense that the adrenaline and the cascadia not fit the same… they were not intended to.
my advice: go to a real running store and get fitted. online advice will not help. brooks is a great company that insures uniformity across models and upgrades.
best of luck!