The purpose of the Life Jacket or Life Vest is to protect the safety of athletes during activities. And it can be used for many different sports, like kayaking, water sports, surfing, diving, swiming, rock climbing and drifting etc. So, you can have a kayak life vest for kayaking, have a impact vest for water ski, have a swim vest for swimming. And Seaskin's life jacket and life vest can be certificated by CE.