Looking for a Professional Freedive Monofin? Look no further than the Competitior Monofin L from Finis. An ideal choice for free divers, fin swimmers and water sports enthusiasts. With this monofin you will increase your kicking speed so you can get where you want faster. You can reach up to 3.3 meters per second! Made with tension in the fiberglass so that it creates a compounded resistance for maximum propulsion.