>>16887292
They trap the pee

they have a layer of titanium dust sandwhiched between neopreen that helps reflect heat, they also keep the same water close to your skin which reduces the direct loss of heat

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>>16887292

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>>16887292
Open cell foam, trapping water.

>>16887331
>titanium dust
Doubt.

>>16888248
https://www.scuba.com/lists/titanium-lined-wetsuits