C4 S-990 FIRESTONE size 43/44 Az 25

C4 S-990 FIRESTONE are specific carbon fins for deep-sea fishing or freediving, with dovetail terminal blades.

Action 25 very versatile and the most used ever.

The surface finish is with visible carbon and single-color red decoration. The shovels are combined with shoes with a black upper and red insole. The water rails are red.


The water rails of the 200 fins are not glued but overmolded at high pressure and temperature with a specific molding process which allows the plastic material to merge with the composite. This production process, never previously carried out on the composite, was conceived and developed by C4 technicians.

Blade size : 770 x 192 mm
Fin size (42/43): 890 x 192 mm
Blade material: HT15 carbon – Camouflage coloring
Blade hardness: 25
Water Rails Color: Black / Red
Water Rails type: variable geometry. Overmolded at high pressure.
Foot pocket: model 200
Sole Color: Red

The package includes: Pair of fins complete with blades and foot pockets

Made in Italy