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White Glacier conducted extreme cold-water immersion tests on its Arctic 10+ PC and Arctic 25+ suits under Polar Code–relevant conditions in Norway: 

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• 0°C water, −20°C air, 10 m/s wind, and 6-hour duration with simulated water ingress. 

• The test subject reported no sensation of cold, and the forehead thermometer reading stayed at 70°F (21°C), confirming stable thermal regulation.

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Why This Is Important

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• Polar Code Compliance: The IMO Polar Code requires survival equipment to perform in sub-zero temperatures, high winds, and ice-laden waters—conditions beyond standard MSC.81(70) tests. 

• Real-World Survival: Maintaining core and skin temperatures, even in extremities, prevents hypothermia and preserves manual dexterity for survival tasks. 

• Wet Donning Capability: Unlike neoprene suits, which lose up to 45% of thermal protection when wet, the Arctic 10+ maintained insulation even with internal moisture. 

• Forehead Temperature Stability: A 70°F forehead reading confirms effective heat retention in the head and brain region, vital for cognitive function. 

• Why Only Six Hours? The test was capped at six hours to comply with international safety protocols for human testing—not because of suit limitations. Data suggests the subject could have continued safely, reinforcing the suit’s exceptional insulation.

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These results show the Arctic 10+ is not just compliant—it exceeds Polar Code requirements, ensuring true survivability in the harshest Arctic conditions.​