Staying cool during heatwaves on bike commutes seems like a given, yet everyones experience is vastly different. Whats the science behind why some cyclists are able to maintain a decent pace in extreme heat while others are left suffering. Is it purely a factor of individual tolerance or are there specific techniques that can be used to mitigate the effects of heat exhaustion? What are the most effective strategies for regulating body temperature during prolonged periods of intense exercise in extreme heat. Are certain types of clothing more effective at keeping cyclists cool, and do any particular fabrics or technologies stand out from the rest. Are there any pre-ride hydration and nutrition strategies that can aid in heat tolerance, or are these more of a myth. How do professional cyclists manage to perform at high levels in extreme heat, and are their techniques something that can be applied to everyday commuters.