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The first surfing wetsuit to use
Yamamoto’s newest #40 Neoprene.


Yamamoto’s proprietary closed-cell manufacturing process also results in a neoprene that is also highly durable while remaining extremely stretchy that feels and acts like a second skin. It doesn’t get loose over time like traditional neoprene that in a new suit, “feels” great, but quickly loses its elongation recovery as the cell structure breaks down.

Traditional neoprene acts more like a kitchen sponge (in terms of water absorption) in many cases increasing the weight of a wetsuit by 2x or more requiring more body heat to warm the water, more energy to paddle and maneuver in a restrictive heavy water laden suit, and much longer drying times between surf sessions.

Isurus’s no. 039 jersey

  • 82% Nylon 18% Polyurethane circular knit jersey.
  • No. 039 jersey is dope dyed for exceptional colorfastness and UV protection from fading.
  • Bluesign® certified.
  • Oeko-Tex® certified.

Yamamoto #40 fine mesh

Superior wind resistance against windchill and reduced friction on hoods for smoother water penetration in big surf.