FCS II Christenson Twin Fin | Black Size:5" This prevents wax from melting

This prevents wax from melting into the bag & makes it easier to get your board in & out

Inactive Ingredients | Hexyldecyl Isostearate

Birdwell’s original design — lightly modernized and improved over more than 50 years of field testing by lifeguards and surfers who depend on their Birdies to last a lifetime of waves

Length 8'0 Nose 16 1/8

For this season

FCS II Christenson Twin Fin | Black Size:5" This prevents wax from meltingFrom high performance twins to more traditional shapes, this is a perfect compliment to your twin fin. This set provides smooth and fast down the line speed. Board Types Designed to fit the FCS II Fin System. Recommended for all board types including fish, funboard and twin fin boards.