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C4 Ergonomic Fin Insoles

Price without code 29.49

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Features of C4 Ergonomic Fin Insoles

Product description of C4 Ergonomic Fin Insoles

Description summary

Elevate your diving with C4 Ergonomic Fin Insoles. Achieve a custom fit, enhance power transfer, and enjoy unparalleled comfort. Designed specifically for diving fins, these water-resistant insoles reduce foot fatigue and slippage, ensuring optimal performance. Trim-to-fit for universal compatibility, they transform your fins into a seamless extension of your body. Invest in your comfort and endurance for longer, more powerful dives

Unlock the full potential of your diving fins and elevate your underwater experience with the C4 Ergonomic Fin Insoles. Expertly crafted for discerning freedivers, spearfishers, and scuba divers, these insoles are the ultimate accessory for achieving a perfect fit, superior comfort, and optimized power in every kick. If you´ve ever struggled with foot pockets that are slightly too large, experienced foot fatigue, or wished for a more direct connection to your fin blades, the C4 insoles are your definitive solution.

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.

Key Benefits:

* Perfect a Custom Fit: Eliminate excess volume within your fin´s foot pocket. These ergonomic insoles are ideal for divers with narrow feet or those who find themselves between sizes, ensuring a snug, secure fit that prevents foot slippage and energy loss.
* Enhanced Power Transfer: A secure foot means more efficient energy transmission. By filling empty space and preventing your foot from moving inside the pocket, these insoles ensure that every ounce of effort you exert is transferred directly to the fin blade, resulting in more powerful and efficient propulsion.
* Unparalleled Comfort & Reduced Fatigue: The anatomical shape and cushioning properties significantly reduce pressure points and foot strain. Say goodbye to cramps and discomfort during long dives, allowing you to stay in the water longer and focus on your performance and enjoyment.
* Designed for the Aquatic Environment: Unlike standard footwear insoles, the C4 Ergonomic Fin Insoles are engineered for repeated water exposure. They will not absorb water, degrade, or lose their shape, providing consistent performance dive after dive.

Main Features:

* Anatomical Design: Specifically shaped for the left and right foot to provide true ergonomic support that follows the natural contours of your foot.
* Customizable for Universal Compatibility: Ingeniously designed with pre-marked cutting lines, these insoles can be trimmed with standard scissors to achieve a perfect, custom fit for your specific foot pocket and shoe size.
* Performance-Oriented Surface: The insole features a textured surface that enhances grip between your sock or foot and the foot pocket, further reducing internal movement and maximizing control.
* Durable, Water-Resistant Construction: Built to withstand the rigors of saltwater and chlorinated environments, ensuring long-lasting durability and reliability for all your diving adventures.

Transform your fins from a simple tool into a seamless extension of your body. By integrating the C4 Ergonomic Fin Insoles, you are not just adding an accessory; you are investing in performance, comfort, and endurance.

Technical Specifications:

Product: C4 Ergonomic Fin Insoles
Category: Fins
Subcategory: Accessories and parts
Attributes: Fins, Insoles
Sizing: Available in three distinct sizes to cover a wide range of foot pockets:

* Small: For EU sizes 38-39
* Medium: For EU sizes 40-43
* Large: For EU sizes 44-45
Customization: Trim-to-fit design with pre-imprinted cutting guides for precise sizing.
Compatibility: Universally designed to fit a vast majority of freediving, spearfishing, and scuba diving fin foot pockets

Technical specifications of C4 Ergonomic Fin Insoles

Features of C4 Ergonomic Fin Insoles

Color Black

Color

Black

Product Type Insoles

Product Type

Insoles

Subcategories Fins

Subcategories

Fins

Key differentiators

Technology in C4 Ergonomic Fin Insoles

Energy rating

Warnings

5 / 5

8 Reviews

What our customers are saying about C4 Ergonomic Fin Insoles

These high-quality C4 insoles offer a perfect fit for C400 and C4 250 fin pockets, improving comfort and reducing looseness. Ideal for divers using 3-7mm socks, they ensure a snug, non-pinching fit. These performance-enhancing inserts bridge small gaps, providing ideal fin stability for pool and open water use

C4 Ergonomic Fin Insoles

Very good

2025/12/18

Lasse

Very nice quality insoles. Fitted very well straight out of package to C4 250.

C4 Ergonomic Fin Insoles

Good

2024/04/13

Aleks

super insoles, bought a second pair, now I can dive with 7 and 5 mm socks

C4 Ergonomic Fin Insoles

Super

2024/02/14

Aleks

Я взял стельки 41-43 для калоши C400 42-43. У меня размер ноги 43 и без стелек я одевал носки 3-5 мм. А теперь со стельками я имею ласты которые без носков позволяют мне нырять в бассейне. Ласты теперь сидят на ноге идеально, не жмут и не болтаются. Я бы купил ещё одну пару для калош большего размера, но пока их нет в продаже.

C4 Ergonomic Fin Insoles

They do not fit the smallest size (36-37)

2023/09/12

Chisa

They are a high quality insole, but they do not fit the smallest size foot pocket.

C4 Ergonomic Fin Insoles

Alright

2023/05/12

Arnaud

Very good product I have not used yet

C4 Ergonomic Fin Insoles

C400 footpocket just size

2023/01/28

T

If your foot size is 28cm, you can wear 46/47 with 5mm boots. The foot pocket is c400.

C4 Ergonomic Fin Insoles

Insoles c4

2022/06/29

Marco

Great for bridging that small gap between foot and fin in the correct size.

C4 Ergonomic Fin Insoles

They are perfect

2022/04/28

ismael

Good insoles of the C4 Brand and very comfortable

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2023-12-23

Daniel

C4 Ergonomic Fin Insoles

The price for pair???

Answer of Alessandro

The price refers to the pair of insoles. Very good material.

Answer of Antonio

Yes, the price is for a pair of insoles.

Answer of Carlo

The Price is for the pair of insoles. They are extremely technical and ergonomic but I think they are too high.

Answer of Dilene

In the package comes the pair, each molded and marked for the right and left foot. They are very good at adjusting space.

Answer of Justin

The price is for a pair.

* Generated by AI based on customer and product data

2024-03-21

MC

C4 Ergonomic Fin Insoles

I wear a fin of 43-44 with a 5 mm sock. Which insole should I take (41-43 or 44-47)?

Answer of Alessandro

definitely 44-47. If necessary, you can trim it with scissors around the edge if it doesn´t fit into the fin.

Answer of Antonio

I would buy the 44-47 ones, because I bought the 41-43 ones for a 41-42 pocket size and they fit well

Answer of philippe

Logically the sole that goes up to 43 will be preferable because you will not need to cut it unlike the 44-47. And even if your liner is 43-44 you will not feel any play between the sole and the liner, the sole sits just like that in the liner without really fitting into the rails to the nearest millimeter.

* Generated by AI based on customer and product data

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