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How to Select the Right Wetsuit Thickness

   January 28th, 2016   Posted In: How-To  

How to Pick the Correct Wetsuit Thickness

Selecting the appropriate wetsuit thickness for your water sport can be a little intimidating and sometimes even confusing. No one wants to waste time and money trying to figure out the best thickness. This chart below should help you make the right decision based on your sport and water conditions:

Some factors other than water temperature could affect the wetsuit thickness needed, so you should consider the following:

Tolerance For Cold

Depending upon your tolerance for cold, a thicker or thinner wetsuit may be required or desired. If you are someone that tends to feel cold, err on the side of going with a thicker wetsuit. Otherwise, using the wetsuit thickness table should be a very good place to selecting the right wetsuit style and thickness.

Air Temperature

An early morning surfer hitting the water as the sun rises may want to consider a slightly heavier suit or more coverage. Without the warming rays of the sun and a higher ambient temperature or mid or late day, sometimes it can feel a bit chilly. Which leads to…

Time Spent in Water vs. Out of Water

Also relating to air temperature is the amount of time spent in or out of the water. Air temperature will become even more important for a wakeboarder or waterskier, since most of the sport is out of the water.

For a wakeboarder, if the air temps are 80+ but water only in the 60’s, a wetsuit top or springsuit could still do the job for most people. Conversely, a cool or cold fall day while the water is still warm could mean needing more coverage than usual.

Wearer’s Performance Expectations

This also relates to the previous two considerations. Something you will have to take into account is the demand for high performance. The less wetsuit (meaning thinner and less coverage) worn will translate to high performance. If performance is at the top of your wetsuit requirement list, you may be inclined to buy a slightly thinner wetsuit or go with reduced coverage as applicable. Alternatively, if budget can accommodate, a higher-end wetsuit can provide you with appropriate insulation and very high performance.

Here is a quick overview of different wetsuit products:

Lycra Rash Guards, Poly Fleece, Baselayers, etc.

These items are primarily worn under wetsuits or alone, as sun and/or abrasion protection. These items do not provide thermal protection when worn alone, so they are only appropriate for water that is typically 75F+. Shop our entire selection of men’s, women’s and kid’s rashguards.

Shorty Wetsuits, Wetsuit Tops (Jackets), and Wetsuit Bottoms

These items provide wetsuit coverage to areas of the body. When a little insulation is needed and water temps are in the high 60’s, these types of products would be perfect. They also work well in heated swimming pools that just aren’t quite heated enough! Shop our entire selection of shorty wetsuits for men, women and kid’s! We also have a great selection of wetsuit tops, vests and jackets.

Long Johns & Long Janes

Johns (men’s) and janes (women’s) are essentially sleeveless fullsuits. This style of suit is popular in layering applications, like SCUBA and kayaking. Johns & janes are also a popular style in triathlon/swimming style wetsuits, as this cut allows for full range of motion in the arms and shoulders. Shop our entire selection of long john wetsuits for men and women.

Fullsuits

Fullsuits come in a variety of thicknesses for all water temperature conditions. In most cases, the thickness will be described with two numbers, such as 3/2mm. This means the majority of the suit is made of 3mm neoprene (wetsuit material) and the flex points 2mm. Manufacturers do this to enhance the comfort and flexibility of the suit.

Fullsuits come with different seams. For water in the 60’s, flatlock stitching will work well. Flatlock stitches contain no glue, and will allow water to freely enter the suit at the seams. For that reason, you generally will not find flatlock stitches on anything thicker than 3mm.

Sealed seams add glue into the construction. The seams are glued and stitched. This gluing helps dramatically reduce the amount of water that enters into a wetsuit. The less water entering your wetsuit, the warmer you will be! Liquid taping on top of sealed seams takes your wetsuit to another level! A rubber bead is applied to the outside of the seams to add durability to the seams and also further reduce the chance of cold water trickling into the suit. Shop our entire selection of men’s, women’s and kids’ fullsuits!

From here you should be well on your way to choosing the right wetsuit for your sport and water conditions. If you need some more help, we’ve got you covered! Give us a call, email, or live chat. We can assist you personally.

Lauren (LoLo) has been turning words into blog posts for Wetsuit Wearhouse since 2014. She learned to surf for the first time ever in Costa Rica but she gravitates more towards SUP. When she's not scouring the web for travel deals, you can find her either hiking, running, gardening, tending to her animals, or reading a good book outside on a beautiful day.

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2 Comments

  • Marco says:

    Hello,

    I read your blog in a quick and non efficient way. I didn’t find the answer I was looking for. I found your views very interesting, points are great too, thank you for your post. It helped me understand a little into what I was looking for. I hope you carry on with your views and different ways of wording your initial subject/subjects. Enjoy reading your book in hot summer days, it’s when you’re most alive in the most ways you can be.

    Regards,
    Marco

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