Cressiâ€™s new Thor (left) and Thor EBS (right, above) fins are claimed to provide greater thrust for less effort, by combining two different materials to produce rigidity and flexibility where itâ€™s most effective.
Central ribs enable the blade to cup the water and two vents help to stabilise the fin, says the maker. The standard Thor comes with a rubber heel-strap, while the EBS version is equipped with bungee and said to be easy to don and doff even wearing coldwater gloves or thick mitts. Thor fins cost £94, Thor EBS £102.
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