How Much Buoyancy Does a Wetsuit Give You?

June 15, 2022 3 min read

A wet suit's buoyancy is essentially the same as that of five liters of fresh water. For comparison, a soccer ball weighs about 5.5 liters. When you swim with a soccer ball, you do not sink. The average human is approximately 70 liters in volume, making the wet suit's buoyancy 0.92 g/cc.


The answer depends on your activity and the weather. Some people can surf so hard that smoke comes out of their ears, while others can paddle their rafts with all their might, and even float underwater during scuba diving. Regardless of what your activity is, there are many types of wetsuits available. The thickness of the neoprene determines how much warmth your wetsuit provides.

In colder temperatures, the more layers of a wetsuit you wear, the warmer you will feel. More layers trap warm air, making you feel warmer. One wetsuit layer is effective, but a single layer allows air to escape. Therefore, it's important to choose a suit with multiple layers for the best insulation. Here are some tips to choose the best wetsuit.


A wetsuit's buoyancy can differ greatly between different sizes and different brands. For example, a full-length, 5 mm suit from manufacturer A will be significantly more buoyant than one from manufacturer B. Even wetsuits from the same manufacturer can vary considerably in buoyancy. For instance, an XXL 7 mm wetsuit will require more lead to sink than a smaller size, and vice versa.

While wetsuits are known to provide some buoyancy, you should still wear a safety floatation device under it if you plan to swim in cold water. In addition to buoyancy, a wetsuit helps you move faster because of the restricted movements. This is a good thing since it provides optimal water friction, which is essential for swimming fast. However, the science behind buoyancy is complex.


Wetsuits are constructed with several layers, including a thick layer of neoprene. This is a synthetic material made from chloroprene, a type of foam rubber. These wetsuits trap air inside the neoprene, ensuring a high level of heat insulation and resistance to convection. Different wetsuits have different thicknesses of neoprene, with thinner suits being more flexible and thicker suits insulating.

As a general rule, the more layers a wetsuit has, the more insulation it provides. Each layer traps warm air, which keeps the wearer warm. Lower-end wetsuits may only have one layer, which allows air to escape. If you're concerned about a low-end wetsuit, you should invest in a higher-quality model that features cellular neoprene.


The benefits of using a wetsuit in swimming vary between individuals and depend on several factors. One of these factors is your swimming skill level. A wetsuit will help a lean swimmer increase speed, while a plump swimmer will benefit less. While many people wear a wetsuit, a quality one will increase speed. A poorly-fitted suit will increase drag and reduce efficiency. Therefore, it is important to choose a suit that fits comfortably and is made of high-quality materials.

While it is not possible to guarantee that wetsuits will make you faster, they can help improve your stroke mechanics and protect you from hypothermia during cold water swims. The wetsuit can also prevent hypothermia, which is especially beneficial for swimmers who have low body fat. However, this does not guarantee faster times, and you still need to train hard to achieve the time you're after.


The price of a wetsuit depends on several factors, including material and manufacturer. Wetsuits are often made of neoprene, and some are more expensive than others. Yamamoto, which began manufacturing wetsuits in 1961, has become one of the most popular manufacturers of neoprene. Their wetsuits are one of the most flexible and comfortable suits you can buy.

Wetsuits are designed for specific types of water activities. Whether you plan to go snorkeling or surf, the type of wetsuit you purchase will depend on the activity. A wetsuit designed for summer surfing is very different from a wetsuit used for winter swimming. Therefore, you should consider the frequency of use when determining the price of a wetsuit. Wetsuits are made of high-quality neoprene, and they should be comfortable and durable.

Also in Info

Men's Suits - Is it OK to Wear the Same Suit Everyday?

February 29, 2024 3 min read

How to Wash a Beach Mat

December 10, 2022 3 min read

Which Dog Life Jacket Is Best?

September 30, 2022 3 min read

Sign up for our Newsletter

Spin to win Spinner icon