Even before that moment muscles get weak you lose coordination and strength.
Open cell wetsuit temperature guide.
These are general temperature guidelines.
For cold air temperatures more wind an activity with less movement or if you get cold easily consider a thicker wetsuit.
Open cell against your skin minimizes water passage inside the suit keeping you from getting colder for a longer amount of time.
Only arms and legs are regularly moved out of the water.
This is how long it would take for the body temperature to drop down to between 70 and 80 degrees f 21 27 degrees c.
When you put on a wetsuit your 98 6 degree body temperature warms the gas bubbles in the neoprene which act as insulation.
However you always move just below or slightly above the water surface.
Mako open cell wetsuit.
Triathlon open water swimming wetsuit temperature guide chart.
This wetsuit is the most popular for spearfishers and recreational freedivers.
Generally a person can survive in water at that temperatures for 10 to 20 minutes.
Thus water temperature is decisive.
While swimming you are under water with the main part of your body.
Many brands will provide their own temperature recommendations that may differ slightly from those listed above.
Unlike open cell foam i e a sponge water won t saturate neoprene but the gas bubbles tend to give the material a lot of inherent buoyancy.
This is when cardiac arrest usually occurs.