Why Does Frostbite Occur in Mountain Climber?

Factors that promote frostbite: Improper equipment, dampness, wind. Dehydration, polycythemia (viscous blood: high red blood count), hypoxia (altitude) Restricted blood flow: tight clothing or equipment (harness, shoes, crampons), fractures.

How does hypothermia happen to a mountain climber?

Once the walker, runner, or mountain climber fatigues and starts to slow or stops walking altogether, the rate of heat production falls dramatically. This alone predisposes to the development of hypothermia. These processes, in adverse weather conditions, will be accelerated.

How do you prevent frostbite on Everest?

Try to minimise the body closing down the extremities by dressing according to the route and climate, and don't scrimp on the leg protection. On bivis never let your inner boots freeze, so you have to start the day with cold inner boots, always sleep with them inside your pit.