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The Pit Wall: F1 Insights, Deep-Dives and Race Intel

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Insights, deep-dives & race intel

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Filtered by #heat-hazard · clear

Poster reading 31 degrees and the rules change, F1 heat hazard, showing an exhausted driver in a sweat-soaked race suit climbing from the cockpit, with the figures 50 degree cockpit and refuse the vest carry 0.5kg.

F1's Heat Hazard Rule and the Cooling Vests Drivers Don't Want

Above 31°C the FIA declares a Heat Hazard and every car must carry a cooling system. Drivers can refuse to wear the vest, and the rule makes sure it costs them nothing.

Bhavin Lathia· Sep 2, 2026