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T1 First Wave Bibjohn*

Regular price $ 485.00

Unit price per 



Disruptions in the global supply chain and freight transport are affecting us in the few products we do not make in the USA.  This product is among those few. Order yours now before we sell out!

The First Wave provides ultimate comfort and eliminates restrictions often found in one-piece wetsuits. This is why the T1 First Wave is a triathlete's First Choice!

Sizing : Please refer to the size chart button above for sizing guidance based on gender. If in doubt, email questions to 

The two-piece design of the T1 Wetsuits offers more comfort and less restriction. The top and bottom are not attached. This means you have much more freedom of movement and there is no “torso-rubber stretch” or shoulder fatigue that occurs with one-piece wetsuits. All T1 models are sold as separates for a customized and personal fit. With up to seven sizes of tops and bottoms, you have 49 possible size combinations from which to choose. Other features we innovated many years ago include lower necklines and thicker rubber in the legs and hips to help float the largest bones and muscles in the body. More floatation here means more speed. T1 Wetsuits are not filled with gimmicks, just physics.

 New Features:

  • Zipper is lighter weight and corrosion resistant
  • Less-toxic bonding agent for people with skin sensitivities
  • Interior 4-way stretch nylon-spandex has a higher thread count than any other brand for more stretch and durability, faster drying, and to minimize chafing.

Favorite Features Remain:

  • Stretchy 5mm thick rubber starts at the ankles, goes up to the crotch and around the sides of the hips to float the legs and hips more than any other wetsuit.
  • Low profile 2mm Bib straps with soft Lycra trim go over the trapezius (base of neck) to allow unrestricted reach, prevents tired shoulders, and aids in faster swim times
  • GreenGoma™ #9 Rubber with Super Composite Skin makes the First Wave the warmest, fastest, most durable, flexible, buoyant, and the most comfortable wetsuit in the world today.
  • Angled leg openings for faster and easy removal
  • Longer seam tape for self-customizing leg length
  • Seams are glued and blind-stitched, making them more durable than the rubber itself
  • Sleek graphics, no gimmicks
  • Sold as separates for a true customized fit
  • Sustainability is extremely important to De Soto, click here to learn how we are making a difference
  • T1 Wetsuits 100% Satisfaction Guarantee 
  • T1 Wetsuit product care and FAQs
  • Chlorine resistant treatment, but not recommend for repeated use in chlorinated water.

The Bibjohn is 5mm thick from the oval ankle openings up to the crotch and up the sides of the hips. From that seam up, the Bibjohn is 2mm thick. This includes the midsection around the stomach, low back, as well as the bib straps that extends up the spine in back and up the chest in front. It is designed this way so when you wear any of our T1 tops, the total rubber thickness remains less than 5mm thick. You have all the needed flexibility while still keeping your spine and vital organs warm. The total thickness also adheres to all rulings from all national and international governing organizations that limit the maximum wetsuit thickness to 5mm.

Whether you like to swim for exercise or are on the swim course of a Triathlon, T1 Wetsuits offer you speed, comfort and buoyancy that will make swimming pure pleasure!


Customer Reviews
5.0 Based on 31 Reviews
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Filter Reviews:
Jeff F.
United States United States

Finally have a perfect fit wetsuit!

Love these bibs. Finally have a perfect fit top AND bottom. Felt like I had a pull buoy between my legs. No issue in St George Ironman when water temp was 60 degrees. Love them.

David M.
United States United States

De Soto T1

This wetsuit is amazing! I’ve tried many tri wetsuits and was never comfortable with shoulder mobility. The De Soto literally has no restrictions in the shoulders. I’m also very tall and the two piece design eliminates the pull in the crotch or shoulders that a one piece does. Super quick and easy to get in and out of also. Swam 4300 yards today in 58 degree water and never felt cold.

United States United States
I recommend this product

My transformative wetsuit!

As my very first wetsuit, it is truly transformative. I am now able to enjoy the beautiful bay that I swim in all through the winter. First l want to say that I received such helpful advice from Tracy DeSoto in determining the right size. And the website info and videos are great. I was fortunate to be advised by two local swimmers that I should look no further than DeSoto. They were so right!

robin b.
United States United States
I recommend this product

Skeptical at first

I wasn’t sure how I’d like the bib John wetsuit. My swim coach recommended it so my torso and hips could move more independently. My first swim was great, in 58 degree water, I felt perfectly comfortable. Second time, I really noticed that my low back did not bother me the way it normally does in a traditional wetsuit.

United States United States
I recommend this product

I only swim in Desoto

I’m a almost daily cold water swimmer, I get 160 plus uses before I order replacements.

De Soto Sport T1 First Wave Bibjohn* Review
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