SANTI BZ400X Ladies First


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The Santi BZ 400X Ladies First:

the underwear for women who value individuality and comfort even on long and demanding dives at temperatures below 7 °C. Based on the experience of leading female divers and instructors in recreational and technical diving. The modern, well-fitting and feminine cut is complemented by three colour details that allow you to create the perfect combination of the Ladies First drysuit.

We have used the best materials and available technologies in the production of this model. The Thinsulate™ BZ400 insulation is recommended by leading textile manufacturers. Its effective insulation, moisture resistance and breathability make it one of the best insulations that can be used in undersuits. It is compressed and does not take up too much space under the drysuit, does not restrict the diver's freedom of movement. It has a mesh layer that makes the undersuit even more durable and practically indestructible.

Available sizes : XS, S , SL , M, ML , MLL, LS , L, LL , XLS, XL, XXL
MTM / User Quote


  • Thinsulate™ BZ400 insulation
  • the lining: micropolar weight 420 g/m˛, warmth: 1.80 CLO
  • the outer layer: polyamide, polyester
  • weight: 2,1 kg
  • details available in 3 colours: fuchsia, lime, grey
  • two large pockets on the thighs
  • one inside pocket on the left chest
  • convenient zipped opening flap on the underside
  • straps that provide air for dry gloves
  • elegant and comfortable collar and yoke covered with softshell
  • two-way zip
  • polyester reinforcement patches on knees, shoulders and back
  • in waist elastic gusset made of windproof fabric
  • Shoulder gussets for increased freedom of movement
  • internal braces
  • wide (10cm) elastic ankle straps prevent legs from moving upwards when drysuit is put on

Additional options:
Name panel in the selected colour options: fuchsia/lime/grey,
adjustment holes of the heating system (right/left above the waist line)
also available as a made-to-measure suit! Either get measured in our shop, or measure yourself:,33,en

Download the forms to enter your measurements!

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