ONYX COOL Cap (80°)


The 80° ONYX COOL Cap delivers fridge-free cooling relief to protect against heat stress. It’s made with a plant-based cooling phase material (PCM) that comfortably fits inside a construction hard hat or baseball cap. It refreshes to cool state at room temp when not in use.


  • Feels comfortably cool for 30-45 minutes, depending on ambient temperature.
  • Latex-free
  • Made in America. FDA registered. HSA and FSA reimbursable.
  • Dimensions: 10 x 11 x 0.25 inches.   6 oz.

Care and Use:

  • Wear cool white padding directly on head until cool pads become clear.
  • To re-cool, lay the cap flat for 20 minutes in room temperature (below 80°) or quickly reactivate in cooler of ice
  • To clean, use a damp cloth and mild soap. Air dry.
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Additional information

Weight 6 oz
Dimensions 10 × 11 × .25 in
Product Dimensions

10 in x 11 in x .25 in


6 oz


Veltex fabric (khaki); Aromatic Polyether Polyurethane; Elastic straps with hook and loop closure; PCM Octadecane molecular formula C18H38 or CH3(CH2)16CH3.


Petal shaped cap cooler


FDA Class 1 Medical Device


Made in the USA