Leatherette covered memory foam ear seals for the Lightspeed Zulu, Zulu.2, Zulu.3, PFX, Tango and Sierra ANR headsets.Memory foam is polyurethane with additional chemicals increasing its viscosity and density. It is often referred to as "visco-elastic" polyurethane foam, or low-resilience polyurethane foam (see LRPu). Higher-density memory foam softens in reaction to body heat, allowing it to mold to a warm body in a few minutes.
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Leatherette covered memory foam ear seals for the Lightspeed Zulu, Zulu.2, Zulu.3, PFX, Tango and Sierra ANR headsets.Memory foam is polyurethane with additional chemicals increasing its viscosity and density. It is often referred to as "visco-elastic" polyurethane foam, or low-resilience polyurethane foam (see LRPu). Higher-density memory foam softens in reaction to body heat, allowing it to mold to a warm body in a few minutes.
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