Santi BZ400X at Dive Rutland
Santi BZ400X at Dive Rutland
Santi BZ400x
Santi BZ400x

Santi BZ400x

Regular price£491.00
Tax included. Shipping calculated at checkout.


Santi BZ400x

The Santi BZ400x is a classic yet top of the list diving undersuit with the highest thermal protection available on the market. Undersuit BZ400X comes with modern and fit cut to increase your diving comfort and good looks.

Dedicated for cold waters with less than 7°C temperature, it is ideal and unreplaceable for long deep diving, with decompression. Low water absorbing, high breathability features. Keeps a diver warm even if wet.

Thinsulate™ BZ400 insulation is recommended by 3M as optimal for diving undersuits due to its thermal features and pre-compressed insulation.

Lining made of soft microfleece 140 g/m2. The outside layer made of Polyamide additionally reinforced with Polyester fabric in the areas exposed to mechanical damage.


  • Thinsulate™ BZ400 Insulation,
  • Weight 420 g/m2, warmth: 1,80 CLO,
  • Weight: 2.1kg


  • Breathable insulation,
  • Two side pockets,
  • One inside pocket on the left chest,
  • Reflective tapes,
  • Rubber thumb loops, that supply air to dry gloves,
  • Elegant and comfort collar,
  • Two-way zip,
  • Reinforcing patches on knees, shoulders and back,
  • In waist-elastic gusset made of windproof fabric,
  • Shoulder and knee gussets allowing free movement,
  • Inside suspenders,
  • Wide elastic ankle bands,
  • Specially designed p-valve and heating openings.

For MTM options please download and use this form Man / Woman. Together with this video. Or call +44 (0) 1572 868 450 to organise a time for a free personalised fitting experience.

Last updated: 1st March 2024

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