FCS II Christenson Twin Fin | Black Size:5" Birdwell’s original design — lightly

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

the jacket has felt applique with satin stitch embellishment on the back

Inactive Ingredients | Hexyldecyl Isostearate

Material: 50% acrylic

FCS II Christenson Twin Fin | Black Size:5" Birdwell’s original design — lightlyFrom 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.