The quest of the perfect dry suit

3 years and a half. This is the time it took me to finally acquire my very first dry suit. Here is the story of my successful/unsuccessful trials and my tips to choose yours. Every time I jumped in the water wearing a new one it was full of learning toward one goal: feeling good underwater whatever extreme cold conditions I could face. Buying a dry suit is not really like choosing a wetsuit to go diving in South East Asia or the Caribbean. For the scuba divers who are not afraid of extreme cold conditions, there are so many different types at such a big price difference. So from the moment I passed my dry suit diver speciality back in 2011, I kept wondering: how do you make the right choice?

This article is also available in French.

The body shape issue

We are all different. Even if you are far from my description, a rather petite woman with thin neck and wrists, we may face the same issue: our body is not average. Then when it comes to a dry suit, it is a one piece suit from the feet to the neck which is supposed to be both adapted to your shoe size, your height, and your body shape. In my case I’m 1m68 / 5ft6in, my shoe size is rather large – 40/7 – and I have thin wrists and neck… not easy, especially at critical locations that are the neck and wrists seals, where water can penetrate. The one solution if you want to avoid the overpriced tailor-made dry suits: trying as many as possible. In countries where a dry suit is an obvious choice to go diving, renting one is reasonably priced. In the UK, renting a dry suit is possible for less than £20, which is not expensive compared the 80€ I was asked for most of the time in France. You can also find dive shops equipped with trial pools which are a good option but never as good as trying in real conditions. There is another interesting option to try different models on the same day for a cost of virtually zero. You can take advantage of the promotional events organised by some scuba diving gear manufacturers such as the Dry Suit Tour held by Aqualung in Europe. This is what I did, and I took the opportunity there to pass my dry suit diver certification. Remember that, as you add air inside your drysuit to stay warm and toasty, you need to learn how to use it properly to avoid any involuntary express ascents to the surface with the all the potential problems that go with it.

It went well with the first model I tried, but I wanted to know more about dry suits before making up my mind. So in all destinations where it was necessary to wear one, such as in Argentina or Switzerland, I took the opportunity to try more models. Unfortunately, I should say most dry suits come in a very limited choice of sizes and seem to be designed only for heavier men. My main issue was always the neck seal diameter. It was almost ok to get flooded at the beginning of spring in Northern Spain with water at 13°C. In Switzerland with water at 2°C, it was close to the “no-go” when we found out none of the available dry suits had a tight enough neck seal for me. Hopefully, 6 months before the owner of the dive centre of Ushuaia, Argentina gave me a tip to deal with this kind of situations: the “dog collar”! It can be an elastic or a plastic collar, but even if it saved my dives in Ushuaia, in Switzerland and finally in Scotland for my first dives, I was always worried about getting water inside as it is not a perfect solution. When, last summer in Scotland, even with a children sized dry suit, the neck seal was still too large and then leaking underwater, I decided it was time to stop trying and get my own. I had been through enough testing; no other drysuit was any better than the first one I tried!

Not so easy to dry your undergarments between 2 dives in Scotland, better to have a well fitted drysuit that won't leak!

Not so easy to dry your undergarments between 2 dives in Scotland – better to have a well fitted dry suit that won’t leak!

Neoprene vs. Trilaminate

At some point, being surrounded by tech divers who almost exclusively only dive with trilaminate dry suits, it seems it was the only right way to go… but not necessarily for anyone. Contrary to neoprene dry suits, even if crushed, trilaminate does not offer any positive buoyancy or thermal insulation. This technical fabric is made of three layers of different materials, hence its name. Materials chosen vary from one model to another, but usually, the ones with Cordura on top are the most resistant. Being much looser than the neoprene ones, this allows adapting the thickness of undergarment to wear depending on the water temperature conditions. They tend to be faster to dry and, generally speaking, lighter to transport. The drawbacks? They are the most expensive dry suits and offer a less smooth diving experience as it is looser it makes the suit less hydrodynamic. It is actually for these 2 reasons that I chose a neoprene dry suit. First of all, I like the extra insulation of the 7mm neoprene. Then, I like the sensation of diving with a neoprene dry suit not being much different from a wetsuit. I care about this especially when shooting pictures or video as my position and trim in the water matters. From a comfort point of view, wearing a neoprene dry suit exposes you less to a painful squeeze effect on your legs when you go deeper. Besides, today, it is possible to find thin and warm undergarments to put below this type of dry suit. The trilaminate drysuit might let you save weight and volume in your luggage, but this gain might be lost by the weight and size of the undergarment you need for this type of dry suit. Regarding the drying issue, in my travels, as I like to take it slower, I usually allocate a day of drying for my equipment in my organisation before moving to the next place. So finally, after thinking trilaminate dry suits were the best in my case, I analysed better my needs and realised the neoprene in addition to being cheaper was just the right choice for me.

The important details

You will also have the choice between latex rubber or neoprene seals for your neck and your wrists. Latex rubber offers the comfort of adjusting the diameter perfectly to what is required for your body shape (you can cut the seal which has the form of a cone at the right dimension for you). Considering the issue at the neck I was facing, it should have been the right choice for me. Unfortunately, this material is also very fragile. I saw so many divers having to fix their seals a bit too often. Given the gymnastics needed to get into your dry suit, a finger nail too long and the game is over. So for the scuba traveller I am, I chose the most resistant option: the neoprene seals. Finally, when it come to your feet, you will usually have the choice between integrated booties or the socks style. With the latter, you will have to add boots that can be heavy. For travels, I highly recommend integrated booties that are lighter than additional boots.

How to get a good bargain on your dry suit?

With a price going from 600€ to 1500€ in average, many scuba divers are reluctant to invest in their dry suit. As I explained in my article about travelling with your own scuba gear, having your own dry suit will be a matter of comfort and, as a result, a matter of safety. In the case of this very particular piece of diving equipment, it cannot be truer as diving in cold water is more challenging. If you want to keep diving anywhere where the water is cold, here are some ways of acquiring a dry suit for less:

  • Dive shops usually rent dry suits for one season and renew them the following year. As a result, they sell for a good price the second-hand dry suits. The advantage is that they are controlled on a regular basis by the dive shop so that you will have less risk of potential issues.
  • Dry suits used for promotional events can also be sold by dive shops at a discounted price. In this case, the dry suit has been much less used, and sometimes not even worn. This is how I got mine. Don’t hesitate to ask your favourite dive shop or register on their e-newsletter to be informed of these special promotions.
  • Yearly scuba diving shows are usually an excellent way of buying scuba diving gear at more affordable rates. You may pay your ticket about 10€, but if you are looking for some pieces of equipment, you are going to make huge savings in the end. I saved 150€ on my BCD, and I had 20% off my video lighting system this way. Look online for the next scuba diving show in your country. The most famous ones are the Boot show in Düsseldorf, Germany and The Paris dive show in France, both in January, the London dive show is in February and the DEMA show in the USA, the biggest, is in Florida or Las Vegas usually in November.
Yet, even at a very good price I'm not sure I would take this one! :)

Even at a good price, I’m not sure I would take this one! 🙂

To sum up, thanks to an opportunity arising,  I managed to find the first dry suit I tried at a fantastic price which fitted me the best. I now have equipment that matches my needs as a scuba traveller and underwater photographer/videographer. It is warm, robust and easy to maintain. My first dives in Scotland wearing it confirmed it: I had finally found the one!

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The quest of the perfect drysuit The quest of the perfect drysuit

  1. Thanks for the review and info! I have never thought to dive in a cold water but this year we plan to do it – fingers crossed. I will certainly look into this post if we enjoy the cold water diving – for sure we will need the dry suit!

    Reply

    1. Hi Indah, if you want to do it, I think Netherland is a perfect spot to do your dry suit certification, then you can come
      to dive with me in Scotland!

      Reply

  2. […] in my new country. Then I have been facing issues with rental dry suits as I explained in my “quest of the perfect dry suit” blog post. By the way, be ready to show your dry suit certification and demonstrate your […]

    Reply

  3. […] This article is the French version of “The quest of the perfect dry suit“ […]

    Reply

  4. […] of several trips. Whether I explain what it really feels like to go solo on scuba diving trips, how I struggled to buy my very first dry suit or what to really pay attention to when flying for a scuba diving holiday, I got it, you love these […]

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  5. […] a neoprene drysuit, but it’s not a trilaminate drysuit either. If you remember my article on how I chose my first drysuit, I explained I chose neoprene over trilaminate because it was lighter and closer to the body. Here […]

    Reply

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