*Note HeatedWetsuits does not keep Thermalution Blue Grade in stock. Suits take roughly two weeks to arrive after purchased. Why? Read here.
The Thermalution® Blue Grade Heated Undersuit is the intermediate level in thermalutions color grade undersuits. It’s powered by two 7.4 volt lithium polymer batteries. The suit heats up in under a minute and has a battery life of 90-120 minutes. The suit is water proof to a depth of 150 feet. The Blue Grade uses a Close Proximity Sensor control system, which requires touching a magnetic wrist watch controller to the a magnetic controller switch coming out of the shoulder of the suit. To adjust temperature you place wristband and controller together for one second, and to turn off keep together for three seconds.
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