When most divers transition from scuba to freediving, they naturally just grab their existing mask and fins and jump in the water. While that works for splashing around in the shallows, the moment you start trying to hit 15, 20, or 30 meters on a single breath, your scuba gear becomes a massive liability.

Freediving is a sport of microscopic efficiencies. Every extra kick, every ounce of drag, and every unnecessary burst of air you use drains your oxygen and shortens your dive. To dive deeper and stay down longer, you have to upgrade your equipment. Here are the five pieces of freediving gear that will completely transform your breath-hold diving.

1. The Low-Volume Mask (Saving Your Air)

This is usually the first upgrade a new freediver makes, and for good reason. As you descend, the water pressure increases, which compresses the air trapped inside your mask (a mask squeeze). To relieve that painful pressure, you have to blow air from your lungs out through your nose.

A standard scuba mask has a massive pocket of air inside it. That means you are wasting a significant amount of your precious, limited oxygen just keeping the mask from crushing your face. A low-volume freediving mask sits incredibly close to your eyes. Because there is very little airspace inside, it only takes a tiny, effortless puff of air to equalize it, leaving the rest of your oxygen where it belongs: in your bloodstream.

2. Long Fins (Maximum Propulsion, Minimum Effort)

Scuba fins are relatively short and stiff because they are designed to push a heavy tank and BCD through the water. If you use them to freedive, you have to kick rapidly to get anywhere, which spikes your heart rate and burns your oxygen.

Freediving fins (bi-fins) are comically long and highly flexible. Usually made from specialized polymer, fiberglass, or carbon fiber, these blades allow you to displace a massive amount of water with a very slow, relaxed kick originating from your hips. Less kicking means less muscle exertion, a lower heart rate, and a significantly longer dive.

3. The Rubber Weight Belt (The Deep-Water Hug)

If you wear a standard nylon scuba weight belt on a deep freedive, you will quickly discover a very annoying problem: the belt will slide up your waist and end up around your armpits.

Why? Because as you descend to depth, the immense water pressure compresses your wetsuit and physically shrinks the volume of your lungs. Your waist actually gets smaller. A nylon belt cannot shrink, so it becomes loose. A rubber freediving weight belt is worn tightly around the hips. As your body compresses at depth, the rubber snaps back and shrinks with you, ensuring your weights stay exactly where you put them.

4. The Simple J-Tube Snorkel

Scuba snorkels are often loaded with features: purge valves, corrugated silicone hoses, and bulky splash guards. In the freediving world, all of that extra plastic is just unnecessary drag slowing you down.

A freediving snorkel is typically a simple, highly flexible “J-tube” that contours tightly to the side of your head. It is aerodynamic and lightweight. (Pro tip: Always remember to take the snorkel out of your mouth the moment you begin your descent! Leaving it in makes equalizing harder and is a major safety hazard if you black out.)

5. The Open-Cell Wetsuit

Scuba wetsuits have zippers down the back, which allow cold water to flush in and out. They are also lined with nylon on the inside, which restricts how much the neoprene can stretch.

A true freediving wetsuit is a two-piece suit (high-waisted pants and a hooded top) with absolutely no zippers. More importantly, the inside is often “open-cell,” meaning the raw, sticky neoprene rests directly against your skin. This creates a near-perfect seal that keeps you incredibly warm. Because there is no inner nylon lining, the suit is insanely flexible, allowing your chest to expand fully so you can take the biggest possible breath on the surface.

Gear Up and Dive Deep

You don’t have to buy everything at once, but swapping out your mask and fins will yield immediate, noticeable results in your dive times.

Ready to upgrade your kit? Stop by 72 Aquatics. We carry a full line of premium freediving gear and can help you get the perfect fit. If you really want to put that new gear to the test, ask us about joining our next SSI Freediver course or our upcoming Freediving Camp down in Playa del Carmen!