TCSF 6'3" Thunderbolt Our proprietary blend of custom

Our proprietary blend of custom grid pattern and EVA foam maintains the same grip and feel regardless of water temp

the medium flex pattern offers a softer feel than fins from solid fiberglass

Thinner and foiled rails allowing it to roll into the face of the wave and hold

and also a small repair on the rail near the nose in a couple of spots

and focuses it’s performance on speed and maneuverability in reefs

TCSF 6'3" Thunderbolt Our proprietary blend of customCondition: Great condition with light deck pressures underfoot, and a handful of very small ones on the bottom. A small area of professional repair on the tip of the tail. A small cosmetic, watertight hit on the nose. Description: From the Channel Islands Website; Channel Islands TCSF Single Fin