The Lalum line of freediving fins – for the love of the ocean! Made to provide more efficient propulsion power when in the water, the Lalum line of fins come in different rigidities, from super flexible to rigid, to make sure it fits your diving ability. Whether you’re a novice, advanced or professional freediver, we’ve got you covered! The Lalum Flex 200 is a freediving fin designed especially for novice Freedivers and people who would like to get into the world of freediving. With its highly flexible design, the Lalum Flex 200 is easy on the muscles and comfortable to use.