Australian Penny Palfrey , 49 , is trying to swim from Havana , Cuba , to the Florida Keys . Open-water swimming : Tips from the pros . She is making attempt without a shark cage or swim aids such as flippers or a wetsuit . A Lycra suit provides her some protection from jellyfish , her husband says . Comment:
Australian Penny Palfrey , 49 , is trying to swim from Havana , Cuba , to the Florida Keys . She is making attempt without a shark cage or swim aids such as flippers or a wetsuit . A Lycra suit provides her some protection from jellyfish , her husband says . Comment: