Tried the 'super light backpack' approach and it made my commute worse somehow

I kept reading how everyone says to pack as light as possible to avoid sweat. So I swapped my usual messenger bag for one of those tiny running backpacks - just 10 liters, strapped tight. First day in Austin heat, my lower back was drenched worse than ever. Turns out that tight fit against my spine trapped all the heat. My old loose bag let air flow between me and it. Learned that 'light' doesn't matter if it's glued to your back. Anyone else find that less gear or a certain bag type actually made you hotter?

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emma_smith7h agoMost Upvoted

Airflow is more important than weight for sure.