BBC Sport's Matt Slater swims against Olympic champion Rebecca Adlington in the new swimwear which will be worn in all competitions from the new year.
Watch Adlington in action next at the British Gas Duel in the Pool event in Manchester. Coverage: 18 December: 1900-2100 GMT, BBC Three and online; 19 December: 1345-1630 GMT, BBC One and online (UK only)
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