Ответ производителя выслан на адрес v.mosalsky@gmail.com и дублирую ещё раз для "группы поддержки" тут
Hi Andreas,
That happened twice by the same customar, so it is obviously that someting is doing wrong with the fins. In normal swimming it is impossible to break the fins.
Regards
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Ing. Sasa Mraovic - BlackTech sales director
BLACKTECH j.d.o.o.
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