Santi FLEX 2.0 Heated Undersuit

SKU: 2045-XS
Regular price £611.00 £600.00 | Save £-11.00 (-2% off)
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Santi FLEX 2.0 Heated Undersuit

XS - £611.00
  • XS - £611.00
  • S - £611.00
  • SL - £611.00
  • M - £611.00
  • ML - £611.00
  • MLL - £611.00
  • LS - £611.00
  • LL - £611.00
  • LLL - £611.00
  • XLS - £611.00
  • XL - £611.00
  • XLL - £611.00
  • XXLS - £611.00
  • XXL - £611.00
  • XXXL - £611.00
  • LADIES MTM - £681.00

Santi FLEX 2.0 Heated Undersuit


Santi FLEX 2.0 Undersuit - Heated


The New Santi Flex 2.0 Heated Undersuit is light and flexible. The Climashield Contour fabric allows for full flexibility of fabric in every direction, which leads to unique mobility and less bulk when compared with BZ400 Heated Undersuit.

Santi recommends Flex 2.0 to those who are looking for a thinner alternative for a heating undersuit, plan shorter dives in cold waters or long demanding dives in warmer waters.


The Flex 2.0 contains very efficient heating wires that provide optimal thermal comfort during long and cold dives. In this configuration, most of the generated heat is passed on directly to the diver’s body. 

Thanks to new, non-quilted fabric quality, the Flex 2.0 provides more warmth towards the body. This generates better thermal properties and keeps the heat trapped closer to the body for longer.
It is advised to wear the Santi Flex 2.0 on top of thin thermal underwear. In this configuration the temperature is directed straight to a diver’s body.

The undersuit should not be worn directly on skin due to safety and hygienic reasons.


  • Handy pocket on waist for power cord
  • P-valve hose opening
  • Net cuffs with rubber loops for thumbs
  • Elastic gussets under the armpits
  • Two side pockets
  • Elastic waist band
  • Two way entry zipper
  • Foot straps
  • Maximum heating temperature: 45ºC,
  • Maximum heating power: 110W,
  • Operating time on 24Ah battery: approx. 2h30min - 3h
  • Climashield Contour 180g/m2 thermal insulation
  • Safety switch preventing from overheating and too strong current
  • Heating wire covered with ultra-soft silicone resistant to breaking
  • Synthetic power cable resistant to high temperatures and cuts hidden in a pocket
  • Ergonomic nesting and wire layout
  • Built in heating glove wires
  • Operates only with Santi Thermovalve or Drysuit Connector
  • Mens stock sizes
  • Made to measure option for ladies and men




  • safety switch preventing from overheating and too strong current,
  • maximum heating temperature 45°C,
  • maximum heating power: 110W,
  • run time: 24Ah battery / about 2h 30min – 3h of heating,
  • made of BZ400 (420g/m2) Thinsulate™ Insulation,
  • modern generation of heating wire covered with ultra-soft, silicone isolation resistant to breaking,
  • innovative, synthetic power cable resistant to high temperatures and cuts,
  • ergonomic nesting and wire layout inside,
  • integrated heated gloves connection cable,
  • special undersuit bag included,
  • CE certified,
  • available for ladies in “Made to Measure” option.


Works only with SANTI thermovalve and SANTI connector.

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