Folding Propeller for Boost Fin adapter These pockets include a phone

These pockets include a phone pocket

✓ Perfect fit — designed for all Boost Fin models

twin fin setup

Meet our board bag that's about to become your absolute favorite travel buddy

Folding Propeller for Boost Fin adapter These pockets include a phoneThe Boost Fin Folding Propeller is an innovative accessory that minimizes drag and maximizes your performance in every session. The propeller automatically extends when the Boost Fin is powered on and folds when the motor stops, significantly reducing water resistance. Heads up: This folding propeller doesn't require (or work with) a Propeller Safety Guard the folding mechanism keeps it protected when not in use.