and 80 grams)

If your fins are too loose

Soft palate control

this compact accessory serves as a crucial signal for safety

clean blade response and a close foot pocket connection

C4 Carbon - Insole for footpcokets logo and 80 grams)C4 Carbon Ergonomic fin insoles C4 insoles have been designed specifically for diving. The design and materials used are specific for the use in diving fin shoes. C4 insoles are available in 3 sizes that can be used in footpockets from size 38 to 45, thanks to the possibility of being cut to size on pre existing cutting lines. ERGONOMIC FIN INSOLES Thanks to their anatomical shape, C4 insoles increase the comfort inside the fin shoe pockets which,