Futures Fins QD2 3.75 Blackstix Rear Quad Fins Mens Wetsuits the Syncro 5/4/3 is an

the Syncro 5/4/3 is an excellent choice

All seams are triple glued

Side Fin Infills (x4)

We’ve put these things to the test

The Harbour M 9

Futures Fins QD2 3.75 Blackstix Rear Quad Fins Mens Wetsuits the Syncro 5/4/3 is anLooking to turn your Blackstix Thruster set into a Quad? These quad rears feature our 80: 20 foil, great for technical maneuvers and generating speed. These also feature a variation of the Blackstix 3. 0 asymmetrical construction layup to provide a flex that compliments their front fin counterparts. Size: Small (105lbs 155lbs) (47kg 70kg) Rear Fins: Height: 3. 76" Base: 3. 71" Area: 10. 73" Construction: Blackstix have a flexible Carbon Fiber tip that