How To Choose: Wetsuit

Here is some advice to choose the right neoprene diving wetsuit. Water will cool the body faster than air. To be able to practise diving longer, you will need a tight wetsuit. You will need wetsuit as waterproof as possible. The neoprene will insure a great anti-UV and thermal protection.

To choose your wetsuit, you will need to consider these factors:

  • Comfort and movements
  • Thermal protection
  • Clothing ease
  • Water temperature

Comfort and movement

Moving around in the water is much easier if your clothing doesn’t restrict your movement. To maximise your comfort while swimming, look out for a couple of features on your prospective swimsuit. Firstly, the cut of the wetsuit, avoid seams under the arms or the crotch and other sensitive areas. You should also consider the preshape of the bust and hips for women, if it’s too tight or too loose it’s not going to be comfortable. There should also be information on the material the swimsuit is made of. Ensure that it is elastic and flexible to allow full movement.

westuit 01.jpg

Thermal Protection

1-part wetsuit plus jacket or 2-parts wetsuit are more efficient in term of thermal protection because of the two neoprene layers on the torso. The 1-part wetsuit without the jacket will lose this protection bonus but will have the benefit of being useful in several situations. The preshape of the bust and hips for women will also offer more thermal protection because the wetsuit will be more adapted to the body and will prevent the water to spread inside the wetsuit. Gloves will also improve this thermal protection.

Dressing Ease

Putting on a wetsuit can be difficult at the best of times, but there are steps that can make it easier.  If the extremities of your wetsuit have more elastic (relative to the rest of it), that will make it easier when you are dressing up for your diving session. You won’t have to fight your suit before you swim.

wetsuit 02.jpg

Water Temperature

Cold water

If the temperature is between 10 and 18°C, you will need a 1-part wetsuit with a jacket. The wetsuit’s neoprene layer have to be thick of 6 to 7 mm.

Warm water

If the temperature is between 16 and 24°C, you will need a 2-parts wetsuit. The wetsuit’s neoprene layer have to be thick of 5 to 6 mm.


Now that you know better what information you’ll need before choosing a swimsuit, you’ll be able to match your Decathlon diving wetsuit to your needs. We also have a category for snorkelling wetsuits!

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