The H2 5/10mm Sandwich Face Seal Hood features a 10mm double layered protection in critical heat loss areas and sandwich constructed glideskin seal specially designed for the full-face mask user. Waterproof H2 5/10mm includes the unique HAVS (Hood Air Venting System) which uses one-way valves to vent annoying air build-up in the hood. Waterproof created a series of accessories we tagged as ”Polar Evoluted”, the H2 5/10mm Sandwich Face Seal HAVS model is one of them.


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