Santi Heated BZ400 Undersuit

The SANTI BZ400 Heated Undersuit is the ultimate solution for divers seeking maximum warmth and comfort during extended cold-water dives. Combining the exceptional insulation of Thinsulate™ BZ400 with an integrated heating system, this premium undersuit delivers outstanding thermal protection even in the most demanding conditions. Designed as part of the complete SANTI Heating System , the BZ400 Heated Undersuit works in conjunction with a SANTI Thermovalve or Connector and an external battery, providing safe, reliable heating without the risks associated with internal battery systems.