A diver looses heat 25 times faster during a dive. So even in warm waters, a diver may get cold after a certain period of time. Only reason divers wear a suit isn’t heat insulation.

Dive suits also protect divers from scratches. Scuba diving is an outdoor sport and some natural structures may harm you.

Types of Diving Suits

There are mainly 3 types of dive suits. Which one to use depends on the climate of the home town you are living and the season. There is nothing like “this type is better.The idea is to wear a dive suit that will suit the climate. A scuba diver should neither boil nor freeze in a diving suit.

A diver may dive without wearing a diving suit if the water is more than 33°C. However, because wearing a diving suit also protect them from scratches, majority of the scuba divers prefer to use one.

Dive suits are generally made of “neoprene.” Neoprene is like rubber. The elasticity of it makes it preferable by the dive sector. Normally, neoprene isn’t insulating better than rubber. So the manufacturers “foam” the neoprene for a better insulation. Foamed neoprene has gas bubbles (nitrogen inside) for heat insulation, but this makes the dive suit positively buoyant resulting in using weights to dive.

Dry suits are made of neoprene or a mixture of rubber and synthetic raw materials.


If the water temperature is between 27°C and 33°C, you can wear a shorty. It is light and easy to wear. Because the water temperature is quite high, a shorty focuses only on torso heat insulation. Legs and arms are unprotected against scratches.

Especially in diving training, divers/diver candidates should be careful if kneeling required. Watch the spot you are going to kneel for sea-urchins and such kind of marine animals that might harm you.

One of the best pros of wearing a shorty is the amount of weight you’ll use. Because shorty’s positive buoyancy effect is much smaller than the other types (because it is a “short” diving suit), a diver will need much less weight.

Wet Suit

A wet suit is suitable to wear when the water temperature is between 18°C and 27°C. With a variety of thickness (from 3 mm to 7 mm), a wet suit provides full protection.

It may be one piece, or two pieces together. You can imagine a two pieces wet-suit like a gardener pants worn first then a shorty on it. This is for increasing the heat insulation.

A wet suit should fit on a diver. It shouldn’t be wide. A wide wet suit will leak much water than it has to and the diver will get cold. On the other hand, if the wet suit is too tight, it may block the diver’s circulatory system.

The zip should not close easily (means that the wet suit is wide). Vice versa, if you are having difficulty closing the wet suit, don’t try to close it by asking four of your friends to pull it. Find a wet suit inbetween.

A wet suit leaks a little bit of water when you jump onto the water. But if it fits well to your body, there will be no water circulation. And by the time, you’ll heat the water trapped between your body and the wet suit.

In some wet suits, a material called “seal” prevents most of the water to leak in wrists, ankles and neck parts of the wet suit. This kind of dive suits called “Semi Dry Suit.”

I am using a 5 mm one piece wet suit for 8 months. Because the water temperature is never below 15°C. It is suggested to wear a dry suit in water less than 18°C, but it is a little bit up to the diver. Some have low cold threshold and some have high.

Right now, I am writing this page wearing a t-shirt and it is almost winter in Turkey. But my friend who came to say hi a couple hours ago was wearing a pullover.

This type of dive suits don’t leak any water. Because pressured air from the tank is connected to the dry suit with an extra hose. Diver inflates his/her dry suit just like inflating a BC.

As a result, pressure of the air between diver’s body and the dry suit increases. Even it is 5 atm/bar, water cannot leak in 30 meters. Because in 30 meters, the ambient pressure is 4 atm/bar, lower than the pressure of air trapped in dry suit.

A dry suit pullover should be worn not to get cold in dry suit. Okay, it will not leak any water inside, but the surrounding water is cold. It will conduct cold with time.

A dry suit should be chosen when the water temperature is below 18°C.

In cold waters like England and Canada, dry suit is a must.

What I advise you before purchasing a dive suit is listed below:

  • Buy a dive suit that fits you best. Not wide, not tight.
  • Don’t spend money for a dive suit more than you need. If you are only diving in warm water more than 20°C, don’t buy a dry suit.
  • You may see some dive suits for very low price tags. What is important for a dive suit is its ability of insulation, not the way it looks. Some manufacturers produce less foamed neoprene, result is cheap but useless dive suits.
  • Don’t buy a free diving dive suit. They are not designed for carrying heavy equipment and will rend easily in scuba diving.

Take a look at the dive suits from Only the most quality and reviewed products added to the following link. is a marketplace you can shop in a safe environment with proper SSL certifications. Thousands of people shop from every day for their needs.

You can also glance Dive With Seaman E-Store, you’ll be directed to when you want to cash out. Our e-store enables you to browse scuba diving equipment you want easily.