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Scuba Diving Suit: Answers to All the Questions You Have About It

Scuba Diving Suit (6)

We start talking about scuba diving suits remembering an Edith Head quote: “You can have anything you want in life if you dress for it.”

She was an American costume designer who won a record eight Academy Awards for Best Costume Design. She knew what she was talking about.

If you want to dive, you have to dress in a scuba diving suit.

But… What type? How to choose the perfect one? What are scuba suits made of? Which is my s diving suit Size?… We know, there are a lot of questions to answer. Keep calm and take a look at the content table.

1. What Is a Scuba Diving Suit?

The diving suit is a fundamental part of the equipment necessary to practice autonomous diving. The first diving suits as we know them today came from the US military, like almost everything in diving. Although they already used dry suits, they were very baggy and not very functional.


2. What Is the Purpose of a Scuba Diving Wetsuit?

A diving suit keeps you warm in cold water by providing insulation between your skin and the water. The thickness of the diver suit acts as insulation and the tight fit reduces water circulation. The water trapped inside the suit is warmed by your body temperature, keeping you warm as long as there’s limited water flow and enough insulation to prevent you from getting chilled.

The key factors to consider when choosing a wetsuit are the thickness of the suit, chosen based on the type of diving you will be doing, and the fit, which will prevent trapped water from escaping while you swim.

Scuba diving suits use spaces filled with gas to slow heat loss in the water. Some wetsuits also use linings as insulating materials to add warmth without the diving suit being too thick.

Nonetheless, if we are talking about insulation, the thicker it is, the better the scuba suit will be at retaining warmth. But we will talk about that later.

Scuba Diving Suit (ppal)

3. What to Wear Scuba Diving?

There are different diving suit types. Choosing one or the other will depend mainly on the type of diving you practice and the temperature of the water you will submerge in.

Dive skins are stretchy scuba suits made of Lycra or spandex that don’t keep you warm, but they do protect the skin from harmful UV rays and minor scratches and stings from sea creatures.

Some people wear a dive skin under their wetsuit to make it even easier to slip on.

Only those who dive in places with warm water temperatures, such as the Caribbean in summer, can use them as the only protection for diving, and even then, it is not the best option.

Wetsuits are the thinnest and most flexible dive suits on the market. Perfect for water temps above 59°F (15°C), they come in different thicknesses – 3mm, 5mm, and 7mm are the most popular.

These suit for diving come in all sorts of styles, so you’re sure to find one that fits your diving needs. Some divers love the full coverage of a one-piece jumpsuit, while others opt for short diving suits that only cover the torso. If you’re somewhere in between, you might choose a jacket-style with shorty  to make a diver suit or a jacket paired with a “farmer suit” covering your torso and legs. It does not matter what style you pick if you can dive in comfort.

Semi-Dry dive suits. If you’re diving in water with temperatures between 50°F (10°C) and 68°F (20°C), a semi-dry wetsuit might be just what you need. These scuba diving suits offer better protection against loss of temperature in the water than a standard.

Semi-dry wetsuits are typically 4 to 7mm thick and are designed to keep water out as much as possible. The zippers on these diving suits are also reinforced, making them even more watertight. Just keep in mind that they may not be as flexible as a traditional scuba diver suit.

Dry scuba diving suits are for water temps between 39°F (4°C) and 59°F (15°C). These suits are completely waterproof and will keep you dry no matter what. However, they do require some training to use properly.

When diving in a dry scuba suit, you need to inflate it with air to prevent compression and increase insulation. This might take some getting used to, but it’s worth it for the ultimate protection and comfort. If you’re an experienced diver, a dry suit is a perfect choice.



Scuba Wetsuit Versus Dry Suit


 It keeps you warm by wearing a neoprene layer with a small amount of water trapped in between. It maintains warmth by keeping the water away, utilizing air, and appropriate undergarments.
As you dive deeper, thin neoprene diving suits tend to compress and reduce their natural buoyancy  A dry suit enables the diver to adjust their buoyancy by adding air, countering the effects of increased pressure.
You will need different-thickness scuba suits for different temperatures. A dry diving suit can be used in water at different temperatures, so they are useful throughout the year.
Caring for a wetsuit simply requires proper rinsing after use. Maintaining a dry diving suit involves replacing seals, socks, and boots, repairing leaks, and replacing zippers.

4. How To Choose a Wetsuit For Diving?

  • When To Buy Your Scuba Suit?

Recreational divers in temperate areas often purchase their first diver suit during or after Open Water training.

However, if you only plan to dive a few times a year, it may be more cost-effective to rent gear instead of buying it. On the other hand, if you plan on diving more than 20 times annually, the cost of renting will surpass the cost of owning gear. To determine the best option, calculate the cost of each use of your suit and compare it with what it costs to rent at your preferred dive center.

Keep in mind dry scuba suits require special training and should only be bought after completing a specialty course.

  • What Are Scuba Diving Suits Made Of?

They are made of neoprene, which is a flexible, comfortable material that adapts to the body for a perfect fit. There are two types of neoprene: open cell neoprene and closed-cell neoprene.

Open-Cell Wetsuits lack an internal lining, so, have direct skin-to-neoprene contact and are “semi-dry”, because they prevent water from touching the skin. Closed-Cell Wetsuits have an internal lining that allows water to enter and come into contact with the skin.

As we said before, the suits have different thicknesses for diving in water at different temperatures. Thicker suits offer more protection. You can know more about it in the article “Scuba Wetsuit Thickness Guide

Most scuba diving costumes have a zipper, usually in the back, to get in and out of the suit easily.

It is also important to consider the stitching and sealing of the scuba suit to prevent water from seeping in, double blind stitches being more effective, but also adding to the price. Remember to ask about the stitches of your diving suit before buying.

Regarding dry diver suits we can find:

Closed-cell neoprene dry scuba suits are constructed using similar materials to the other scuba suits, however, they feature a waterproof design with air valves.

On the other hand, shell-style dry-dive suits can be crafted from lightweight trilaminate, latex-covered canvas, crushed neoprene, or a blend of materials.

  • How to Choose the Perfect Scuba Diving Suit Size?

To select the right wetsuit size, consider the following:

Breathing: ensure that the wetsuit allows you to breathe normally.

Movement: make sure the wetsuit is not too tight and allows you to move.

Neoprene fit: the wetsuit should fit snugly against your skin, without any large air pockets.

Wrinkle-free: avoid wrinkles, except in areas like the armpits, knees, and groin, for ease of movement.

Lower back: check for air pockets in your lower back, as excess space may allow water to enter.

Genital fit: the wetsuit should fit snugly in the genital area without being too tight or too loose.

Ankles and Wrists: the fit should be snug at the ankles and wrists. You can also use adjustable straps if necessary.

Length: the wetsuit should be the right length, neither too short nor too long. Consider a two-piece wetsuit if needed.

Hood: the hood should fit comfortably without causing neck tension or headaches.

Know more about scuba diving suit sizing by following the link.

  • Diver Suit Prices, How Much Does a Scuba Suit cost?

When selecting a diving suit, it is crucial to take into account the price and determine if it offers good value. There are various designs, levels of thickness, and features that impact the cost.

The cost of a wet diver’s suit and a dry diving suit can differ significantly. Wet scuba suits can cost anywhere from $100 to over $1000, while dry ones typically range from around $1000 to more than $3000.

5. Other Questions About Scuba Diving Suits


  • What To Wear Under a Wetsuit Scuba Diving?

Tight-fitting bike shorts, spandex shorts, a UV protective shirt, or a snug compression top are very beneficial when worn underneath a wetsuit. In addition to providing an additional layer of insulation for diving in colder waters, they also simplify the process of putting on and taking off your wetsuit.

A one-piece jumpsuit can provide even greater warmth.

If you plan on diving in warmer waters, don’t require extra layers for warmth. You can choose a spandex swimsuit for added protection.

  • What Are Dressel Divers Wetsuits Like?

The diving suits you can rent at any of our bases in the Caribbean are full 1/8” 3mm suits. With them, heat loss is minimal on any regular dives we do. We use 3/16” 5 mm scuba diving suits for jumping into cenotes since the thermal sensation is somewhat colder inside these beautiful caverns.

We also have a large number of sizes ranging from X small to XXX large.

If you need more information about scuba diving suits, drop us a line. We will be happy to help you.