the bath is cooled to -175 f -lrb- -115 c -rrb- using liquid nitrogen and mayweather spends up to three minutes in the chamber .
floyd mayweather takes the plunge in the cryosauna which is cooled to as low as -175 -lrb- -115 c -rrb- .
mayweather with subzero owner david levi who is also one of the boxer 's many assistants that