Best Freediving Fins

Best Freediving Fins in 2021

Freediving fins are designed to conserve energy and oxygen while propelling divers smoothly through the water. The large surface area of freediving fins displaces more water, while the long, soft blades create a whip-like effect that provides a second push of propulsion at the end of each kick cycle. Today we’re exploring the best fins for freediving so you can choose the right pair for your needs.

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Freediving Fins Reviews

The WAVE Long Blade Diving Fins are specifically designed for freediving and spearfishing, with a large, soft, bendable fin. The fin blades are made of flexible, resilient polypropylene, and are replaceable, so the fins can continue to be used when the first pair of blades wear out.

WAVE’s long blade fins offer excellent performance during spearfishing and freediving. The fins measure 35.4 x 8.6 inches, with a large surface area that remains lightweight. They have super elastic type S blades made of lightweight, flexible polypropylene.

The blades have a concave webbed tail coated with epoxy resin to prevents scratches and double diversion channels that reduce weight and improve efficiency. These fins have a nonslip sole with anti-skid inserts to provide traction.

The soft, flexible foot pocket is tear-resistant TPR, with an orthopedic shape that wraps around the foot and transmits energy smoothly from the leg to the fins. These fins come with high-quality blade attachment accessories for durability. They come in black.

Pros

  • Long, lightweight, soft freediving fins
  • Replaceable blades
  • Comfortable foot pocket

Cons

  • Without a manufacturer sizing chart, it may be a challenge to determine the right size for your foot

Founded by the legendary athlete and spear-fisher Ludovico Mares, Mares has been at the cutting edge of technical and technological innovations in freediving fins for decades.

The Mares Razor Pro freediving fins are modern technopolymers with elastomers that optimize elasticity and reactivity, offering exceptional polymer blades. These fins also have interchangeable blades for later upgrades or replacement.

The Mares Razor Pro Freediving Long Blade Fins measure 63 x 22 cm, with a differentiated blade thickness that starts at 6mm at the shoe to 1.8mm at the tip. The tapered thickness allows for greater flexion of the fin during use for more agility and excellent performance. They have a shoe angle of 22°. Mares Razor Pro blades have longitudinal channels that improve reactivity without adding weight.

The flap has a dovetail profile that controls lateral drift without water rails, and the V-tip prevents side-to-side slippage. The foot pocket was designed in collaboration with leading podologists for excellent comfort and efficiency and has a high-performance liner that transmits power smoothly from the foot to the blade.

These fins come in EU sizes and are designed to be worn with a 3mm fin sock or bootie. They come in black or grey.

Pros

  • Interchangeable blades
  • Innovative technopolymer + elastomer material provides high performance with low weight
  • Ergonomic foot pocket has excellent comfort and performance

Cons

  • Thin polymer blade tips are typically not durable enough for years of use

Hammerhead fins were developed in Hawaii by professional freediving instructors for exceptional performance and comfort to improve your kicks and increase your bottom time.

These fins are part of a modular system where both blades and foot pockets can be replaced, and the pockets can accept blades of various angles.

The Hammerhead KAUDAL freediving fins are designed to improve speed and efficiency during the kick cycle. They measure 36 x 9.5 x 4.6 inches, with a 20° blade angle. They are made of plastic composite, with a tapered design that effortlessly propels you forward.

The foot pockets are comfortable enough to wear without socks and are compatible with blades at different angles. These fins come in sizes ranging from XX-small to X-large.

Pros

  • Interchangeable blade and foot pocket system
  • Designed by professional freediving instructors
  • Can be worn without fin socks

Cons

  • Blades may be firmer than some freedivers prefer

SEAC has been making high-quality products for diving, freediving, and snorkeling since 1971. This set is perfect for beginning freedivers since it includes SEAC’s high-performance Motus fins, the SEAC One mask, the SEAC Jet snorkel, and a convenient carrying bag.

The SEAC Motus fins have an interchangeable blade system and an incredibly comfortable foot pocket for ease of use with every kick style and ability level. The full-foot pocket has a double thermoplastic material with a more rigid sole and a soft material against the back of the foot, making them easy to put on and comfortable to wear without reducing efficiency.

The blade is made of a technopolymer that maximizes flexibility and reactivity, and the 22° blade angle optimizes thrust power. Motus fins are comfortable enough to be worn without fin socks, but 2-3 mm fin socks are recommended for optimal fit.

This set includes the SEAC One scuba mask with a hypoallergenic liquid silicone skirt with an anatomical fit that follows the curve of the face. The polycarbonate frame is durable, and the tempered glass lens can easily be upgraded to an optical prescription mask for improved vision. It has an “Easy Touch” strap system that makes it comfortable and easy to adjust, with a quick-release button for safety.

The included J-shape SEAC Jet snorkel is designed for freediving and spearfishing. It is made of durable corrugated PVC for excellent shape memory, returning to its original shape after bending under pressure.

The silicone mouthpiece has a comfortable ergonomic fit with a resilient ABS body. This set comes with a rugged and convenient shoulder bag. It is available in black, camo blue, camo green, or camo grey for any underwater environment.

Pros

  • Complete high-quality freediving or spearfishing set
  • Comes with a convenient carrying bag
  • Comfortable ergonomic foot pocket for the fins

Cons

  • May not be available in sizes for unusually large or small feet

Founded by spearfishing brothers Egidio and Nanni Cressi, Cressi remains a family-owned company designing and producing high-quality diving gear in Genoa, Italy.

For over 75 years, the company has committed to technical innovation, the highest standards in manufacturing, and care for the customer. As a result, Cressi diving equipment not only lasts for decades, but their designs are enduring, with industry-leading products decade after decade.

The Cressi Gara 3000 are famous for their incredible performance and harmonious design that maximizes efficiency. Cressi believes that one-piece fins are more efficient at transmitting power due to the molecular fusion of materials with no joints or attachment points. However, they have created the Gara Modular freediving fins with incredible features and options in response to consumer demand.

Cressi’s Gara Modular has a broader foot pocket with a new insole designed to improve kick performance. The foot pocket is self-adjusting, with comfort and suppleness at the skin, and added stiffness in the sole and heel for improved power transfer.

The insoles are supplied separately and can be trimmed to fit, and are made of recycled materials. The included blade is made of high-modus propylene, with side rails for improved energy transfer.

The fins have a medium-soft stiffness for improved endurance and a tip shape that avoids side chattering and smooths each stroke. In addition, the Gara Modular system allows you to choose from a vast range of optional Cressi blades to upgrade your fins over time. You can replace the blades with Gara blades in different colors or stiffnesses, choose Cressi Impulse blades with optional 29° angles, or made of metal or carbon fiber.

The Cressi Gara Modular is an excellent choice for beginner and advanced freedivers because you can interchange and upgrade blade types, blade angles, and blade materials over time while continuing to enjoy the comfortable Gara foot pocket with the custom insole.

Pros

  • Insole improves comfort and energy transfer with custom-fit and recycled materials
  • Modular system allows you to replace or upgrade blades over time
  • Durable and resilient for years of use

Cons

  • Foot pocket runs large

Buyer’s Guide

If you are new to freediving, finding the best fins for your needs can be challenging. In addition, freediving fins tend to be expensive, so you want to make the best choice and the right investment. Here are the key things to keep in mind when buying freediving fins.

Blade Materials

Freediving fins are typically made of one of three types of blade materials, and each has different advantages. Here’s a quick overview of freediving fin blade materials:

Polymers and Plastics

Plastics and polymers are soft, lightweight, and affordable. They are a good choice for beginners who don’t want to spend too much on fins before learning more about their style and needs.

Pros

  • Rugged to take the occasional impact
  • Affordable
  • Soft and flexible

Cons

  • Less “snap” for additional propulsion
  • Fewer options for blade stiffness
  • Will soften, losing shape and stiffness over time

Fiberglass

Fiberglass is an excellent material for freediving because it has excellent flexibility, resiliency, and low weight. In addition, fiberglass is a good material for intermediate freedivers who want to go deeper and increase your bottom time.

Pros

  • More efficient power transfer than plastic
  • Better “snap” for secondary propulsion than plastic
  • Retains shape and stiffness over time

Cons

  • Can be damaged by dropping or impacts
  • More expensive

Carbon Fiber

Carbon fiber freediving fins are typically the choice of professionals. This is because they have the best reactivity and performance with the lowest weight of any freediving fins.

Pros

  • Lightest weight of all materials
  • Most reactive “snap” of all materials
  • Greatest performance of all materials

Cons

  • Very fragile and must be protected from impacts and abrasions
  • Most expensive

Freediving Fin Fit

The best freediving fins should have a great fit, with a snug but comfortable foot pocket. The correct fit is critical to reducing drag and is necessary for efficient power transfer from the foot to the fin.

Before buying freediving fins, determine the water temperature you will be diving in, whether or not you will be wearing fin socks and the thickness of the fin socks. Some freediving fins are specifically designed to be worn with 3mm neoprene socks, but that may be too warm for your diving waters.

Look for freediving fins with accurate sizing charts and a 30-day return policy so you can try them on and make sure they are suitable for your feet.

Modular Freediving Fins

The best freediving fins are modular so that you can replace or upgrade either the foot pocket or the blades over time. This is an excellent feature because they can become damaged or lose performance over time, no matter the blades.

In addition, a modular system allows you to simply replace or upgrade the blades while using the foot pocket that fits you best and is most comfortable.

However, modular freediving fins all have some kind of blade attachment system, which inevitably adds a bit more weight to the fins. When choosing modular or replaceable blade freediving fins, pay attention to the attachment system.

Some blade attachment systems are not very durable or add unnecessary weight. Before use, inspect the attachment system to ensure that all components are fitted correctly and haven’t loosened over time. 

Freediving Fin Shoe Angle

Generally speaking, having an angle between the foot pocket and the blade makes kicking easier and more comfortable, reducing fatigue and lengthening dive times.

A 20-25° blade angle is most common. However, not all divers enjoy angled blades, and there may be a specific angle that works best for your body dynamics and diving style.

For example, most freedivers prefer angled blades, while spearfishers or others who spend more time surface swimming prefer non-angled blades, so find the right angle that works for you.