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The 3/2 fullsuit tested by Stéphane Krause


Men’s 3/2 Front Zip Wetsuit: Open Water Test

Looking for a high-performance wetsuit for your open water sessions? Stéphane Krause, an avid open-water swimmer, shares his feedback after several months using our 3/2 mm front zip wetsuit, designed for swimming in water from 15 °C.

A distinct design, a second-skin feel

"I really like the clean look, with elegant little details that make it stand out: wrist trims, subtle logos, and the Saint Jacques name on the back."

The suit impresses from the start: the fabric is lightweight, soft, and stretchy. It’s easy to put on solo thanks to its flexibility, with no discomfort around the shoulders. The inner flaps naturally fall into place without help.

Reliable thermal protection, even in cold water

Stéphane uses it daily in 15 °C water without ever feeling cold. 🌊

Very little water gets in, and the fit hugs the body perfectly. It offers strong thermal insulation without tightness.

Flexibility and freedom of movement for long swims 🏊

For those swimming non-stop, shoulder flexibility is essential. Stéphane emphasizes: “A stiff wetsuit would cause me shoulder injuries. With this one, no discomfort, no chafing—I forget I’m wearing it.”

The snug fit offers optimal mobility, making it ideal for intense sessions like long-distance swimming, triathlon, or exploration.

"Swimming for hours or in extreme conditions means thousands of strokes—so I need real shoulder flexibility. That’s what I get with the 3/2 and all Saint Jacques suits."

Quick-dry for daily use

Another plus: it dries quickly. Rinsed and hung in a ventilated area, it's dry the next day. “I turn it inside out to dry properly, hang it without a rigid hanger to avoid shoulder marks—it’s ready every day.”

In summary:

  • ✅ Sleek, elegant design
  • ✅ Soft, stretchy neoprene
  • ✅ Proven warmth at 15 °C
  • ✅ Maximum mobility with no irritation
  • ✅ Perfect for swimming, swimrun, exploration
  • ✅ Fast drying for frequent use
“The ideal suit for my adventures. A reliable, flexible second skin.”
– Stéphane Krause

👉 Discover: the 3/2 front zip full wetsuit from Saint Jacques and all our full wetsuits