Thus water temperature is decisive.
Open cell wetsuit temperature guide.
However you always move just below or slightly above the water surface.
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.
This is when cardiac arrest usually occurs.
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.
Triathlon open water swimming wetsuit temperature guide chart.
Only arms and legs are regularly moved out of the water.
Even before that moment muscles get weak you lose coordination and strength.
Lining on the outside makes the suit more durable against scratches.
This wetsuit is the most popular for spearfishers and recreational freedivers.
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.
While swimming you are under water with the main part of your body.
Open cell against your skin minimizes water passage inside the suit keeping you from getting colder for a longer amount of time.
The heat retention effect of open cell neoprene is so extreme that a good fitting 5mm open cell wetsuit will keep a diver warm for 40 50 minutes in ice water 0c temperature.
Mako open cell wetsuit.
Many brands will provide their own temperature recommendations that may differ slightly from those listed above.