“More cushioning means more comfort” — that idea is why thousands of people spend $140 on a shoe that feels great for two hours and quietly destroys their joints by hour six. Both Allbirds and On Running have built premium brands around the comfort promise. Both charge accordingly. And both are solving genuinely different problems, which most comparison articles gloss over entirely. The Verdict First — Then the Details On Cloud 5 ($140) is the better shoe for high-mileage daily wear on hard urban surfaces. Allbirds Tree Runner ($110) is the better shoe when sustainability, breathability, and low weight matter…