A 'try' verdict — the Invincible 3 is still a uniquely soft, marshmallowy recovery-day shoe and one of the few like it, but it's mushy and unbalanced front-to-back, the heel counter is rigid, and $180 is a lot for what's essentially a one-purpose shoe.
Best for: Genuine recovery-day mileage where you want to be forced to keep paces easy
+1 earlier review from The Ginger Runner
Best for: Long sustained efforts where you just want to enjoy the miles — Ethan said he'd grab them for a 16-mile marathon-prep long run.