Jet Fins vs Rocket Fins

The diving fin. A perfect example of how a few subtle changes in engineering can have a tremendous impact on what is fundamentally a piece of rubber.

Rocket FIns vs Jet Fins - Which are better?

Though you would assume that diving is more about the fancy high-tech gear and gorgeous location, a quality fin can really make all the difference when it comes to the overall experience. When you’re stuck with the wrong fin, you may find yourself wishing you spent a little extra time researching the perfect fit.

Most searches for the ultimate diving fin comes down to two options: the Jet Fin and the Rocket Fin.

And, to the untrained eye, the difference between the two is minimal. With their open heel, both styles are suitable for any temperature water. They both have a stiff paddle design. They also both enjoy a long history of success, in constant competition for the title of best diving fins on the market.

So, what, really are the differences between the two?

Diving with Jet Fins from Scubapro

Jet Fins vs Rocket Fins – Side-by-side Comparison

Before we go into the details, here’s a quick side-by-side comparison between the two fins:

Scubapro Jet Fins

  • Available in larger sizes
  • More flexible
  • Longer paddle
  • Practically indestructible
  • Large selection of different colors
  • Overall more comfortable to dive with

Aqualung Rocket Fins

  • Stiffer blades
  • Slightly smaller fin
  • Offer a little more maneuverability
  • Only comes in black

Rocket Fins vs Jet Fins – The Basics

Let’s start by explaining the products and looking at the basic differences between them.

Jet Fins​

These fins have been manufactured by the company ScubaPro for over 50 years. They’re widely used in recreational settings, technical diving, and military training because of their reliability and durability. Made from thick rubber, they’re characteristically stiff, requiring a pretty strong diver to make the most use out of them.

In terms of heel straps, they come in adjustable rubber or spring heel.

​Rocket Fins

According to its manufacturer, Aqua Lung, these fins were the first of their kind to be sold in North America, making them a highly recognized brand. Over the years, the design has been so successful with professionals and the military, it’s only been updated slightly, staying true to its unique vented blade. Like the Jet, this fin has an all rubber construction to withstand rough and prolonged use.

Heel straps come in traditional or quick-release buckles or the standard fin strap.

Jet Fins vs Rocket Fins – Differences​

Both brands call their product the best, but what differences can they point to in support of their claims? Here’s the breakdown.

Rocket Fins​

Consider, first, the most obvious difference: the horizontal vented blade. This design is meant to reduce drag, making for a more energy-efficient kick.

There are two versions of this model, both with an improved foot pocket, though the more recent iteration includes a larger foot pocket with holes for drainage as well as a traction hole at the tip of the fin. They are both made of heavy-weight rubber, available only in black. Many divers can attest to the maneuverability and speed of this fin.

Rocket fins in the sand for snorkeling and scuba diving

Jet Fins

Though this fin is also vented, it differentiates itself with an arched vent design with horizontal holes instead of the rectangular vents. Water is filtered through the fin in such a way as to reduce drag specifically on the down-kick.

Like the Rocket, this fin is also made purely of rubber, but it does come in a variety of colors, including military camouflage.

​The Choice

When it comes down to making a decision between the two, both the Jet and the Rocket are great options for any diving experience. So how can you possibly choose? Here are a few final considerations when you’re ready to make a purchase.

Cost​

Both brands are going to cost over a hundred dollars, with the price of the Rocket ranging just under the Jet.

The Jet, on the other hand, has a number of different price points depending on the size, strap, and color.

Yellow Jet Fins by ScubaPro

Sizing

Finding the right size is crucial to your diving experience. You don’t want your feet to be suffocated, but you also don’t want too much wiggle room in the pocket. The Jet comes in sizes Medium to 3XL or US men size 8 to 14, whereas the Rocket accommodates shoe sizes 9 to 12+.

For women, those measurements are US sizes 9 to 15 for the Rocket and 10 to 13+ for the Jet. So for those with smaller feet, the Rocket is slightly more accommodating. However, neither one is a great choice for really small feet as they both start at best to fit well with a medium-sized foot.

Of course, keep in mind that you’ll require diving boots with both models, which will change your sizing a bit.

Using Scubapro Jet Fins to dive

Reviews

So what are others saying about the product? Not surprisingly, both have a pretty loyal following. Rocket Fin followers say that the fin is great for a flutter, sidestroke, and even breast stroke-type swimming, but there can be some wear-and-tear over the years.

On the other hand, Jet Fin users swear by the brand’s true ability to last, not just for years, but for decades. These swimmers prefer the Jet Fin for flutter stroke, with slightly less maneuverability than the Rocket. Besides that, the SCUBAPRO Jet fins are certainly usable for other kicks like frog and dolphin kicks.

Conclusion​

Clearly, there is a case to be made for either fin. With their sturdy material and thoughtful design, both the Rocket Fins and the Jet Fins are sure to withstand the toughest use in any setting. And while they may differ in how they reduce drag, both are well-suited for strong swimmers, under professional and military-grade conditions.

Your choice may well come down to the slight discrepancy in price or size, and the wise choice would be to listen to the advice of your fellow divers’ reviews. After all, the best advice comes from experience.

Rocket FIns vs Jet Fins - Which are better?
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