C4 Ergonomic fin insoles

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Our Review - Had the chance to try these out whilst testing with Apnea Passion Magazine, and was so pleased with the performance i now use a size up in foot pockets so i can wear the insoles!

Ideal if your fins feel loose.

Ergonomic fin insoles Designed to improve efficiency of the fin stroke, as well as making sure of a better fit (if your fins are a little loose), to ensure more efficient finning.

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.