Fourth Element Rec Scuba Diving Fins

Fourth Element Rec Fins: Open-Heel Recreational Scuba Fins Built from Recycled Materials

The Fourth Element Rec Fins are a pair of open-heel, strap-fastened scuba fins aimed squarely at recreational divers who want reliable performance in the water and a cleaner conscience out of it.

If you are a certified recreational diver looking for a capable everyday fin with a genuine environmental story behind it, these are worth your attention.

What Makes These Fins Different

The standout fact about the Rec Fins is that both the blade and the foot pocket are made from 100% recycled materials.

That is not just a label claim. It means the plastic that forms the working parts of these fins was diverted from the waste stream before it reached the ocean. Fourth Element also ships them in packaging that contains no plastic.

For a lot of recreational divers, that matters. If part of why you dive is a love of the underwater world, buying gear that takes the environmental side seriously is a reasonable way to put your money where your values are.

How They Fit

The Rec Fins use an open-heel design with a silicone heel strap and a buckle closure. That means you wear them over dive boots, not barefoot.

The strap gives you six adjustment points, so you can dial in the fit precisely rather than settling for a loose or tight middle ground. A secure heel strap matters more than it might seem: a fin that shifts on your foot during a kick cycle wastes energy and throws off your trim.

The foot pocket itself is described as soft, which helps reduce the pressure points and rubbing that can build into real discomfort over a long dive or a multi-dive day.

In the Water

The blade runs a four-channel design, a classic fin architecture that splits the blade into channels to direct water flow and generate thrust on both the downstroke and the upstroke of a flutter kick.

The result is a balanced, smooth kick cycle rather than one that only powers in one direction. For recreational diving, where you are typically doing a steady flutter kick across a reef or through a current, that kind of even thrust is exactly what you want.

Nothing in the design points toward highly technical applications like cave diving or heavy drysuit diving, where stiffer, more specialized blades are usually preferred. These are fins built for the kind of diving most recreational divers actually do.

Who These Are Not For

If you dive primarily in a drysuit with thick socks, check that the foot pocket opening is wide enough for your setup before buying.

If you prefer a full-foot fin for warm-water travel diving in rental wetsuits or barefoot, this open-heel design is not the right match. Full-foot fins are a different category entirely.

And if you are a technical diver who needs a stiff, high-thrust blade for demanding overhead environments or strong currents, a more purpose-built technical fin would serve you better.

The Short Version

The Fourth Element Rec Fins do what a good recreational fin should: they deliver balanced, efficient thrust, fit securely, and stay comfortable over a full dive.

What sets them apart is that they do all of that without relying on virgin plastic. If sustainable construction is something you actively look for in your gear choices, these fins make that easy without asking you to compromise on performance.