"The St Pancras trainer is holding hot boxing classes in Primrose Hill every Friday night, where those up for the challenge are being put through their paces in soaring heat ranging from 35 to 40 degrees.
'It’s tough, but very rewarding. There’s something for everyone so come along and try it out,' says CJ.
Hot boxing is held every Friday at Fierce Grace in Regent’s Park Road between 8.30pm and 9.30pm. Classes cost £12, call 020 7483 2000 for details."
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