lifejacket for fisherman / lifejacket for fisherman

Hypothermia is the main cause of shipwreck death which leads adult man to die within two hours in the cold ocean. Since current life jackets are not appropriate for fishers to wear while working.
‘Unsinkable soul’ is comfortable to wear at work because it is lightweight. Moreover, flexible polymer solar cells on the back stores
solar energy while fishers are working. When they are shipwrecked, a converter on the back of the waist converts charged solar energy into electrical energy and this is used for heating the person’s body through heating wires inside.
While drowning, Survivor can push SOS button and get his location checked.