C4 Carbon - Insole for footpcokets Size:38/39-40/41 They are too thin to

They are too thin to be used as thermal socks

The 300 foot pockets fit like a glove

Fit and comfort

Ultra-thin 0

C4 Carbon - Insole for footpcokets Size:38/39-40/41 They are too thin toC4 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,