Maintains an interior boot temp that is 20°F cooler than the ISO standard. Resists contact heat up to 572°F, two times the temperature of hot asphalt.
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Multi-layered features:• Hygienic insole layer:• Insulation layer• Heat protection layer• Anti-fatigue layer•Integrated heel support and stability with seamless high side walls to protect the layers inside, resistant to contact heat up to 572°F.