FrostNot VaprThrm® Mask


Breathing extremely cold air can be dangerous.  You lose calories by warming inhaled cold air, then you loose heat by exhaling the air you've warmed.  It's not easy.  And for those of you with asthma you know the cold air can lock up "the tubes" like someone poured a bag of hydraulic cement down 'em.  (Front view shown here with tan breathable fleece blow hole)  

  • Dart construction provides shaped fit
  • Completely windproof VaprThrm® blocks evaporative and convective heat loss
  • Breathable/porous blowhole provides plenty of airflow
  • Adjustable Velcro closure
  • Stretch Lycra binding
  • Provides ear coverage
  • Weight:  2oz or 56 grams
  • One size fits most  (If it doesn't fit, we'll make the needed adjustments)
  • Made in USA
  • Current color selection:  Pewter gray or cranberry



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