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Cool Pax


Product Description

Extra sets of Cool Pax can be purchased for athletes or individuals looking to get all day cooling comfort. Keep one set in the freezer while wearing the other set!

Key Benefits

  • Phase Change Material (PCM) releases long-lasting, temperature-specific (58°F, 14°C) cooling
  • Provides a non fluctuating temperature that will last for hours
  • PCM is non-toxic, non-flammable, durable, reusable, lighter than water, and does not produce condensation.
  • Material safety data sheet can be found here

Easy to Use

  • Submerge PCM inserts in ice water for up to 45 minutes, or place in a freezer, until solid.
  • Cool Pax can be frozen in any temperature below 58°F 
  • Return inserts to KewlFit pockets.
  • Wear; repeat steps as needed (or use additional inserts for continuous relief)




Product Videos

Dr. Sims Reviews the KewlFit Cooling Vest ()
  • Dr. Sims Reviews the KewlFit Cooling Vest

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Product Reviews

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  1. Love them! 5 Star Review

    Posted by on 26th Mar 2013

    I train outdoors (track and field) and love having another set of packs with me so I can have extended training sessions.

    I freeze both at home and leave one the carrying bag and can workout all afternoon!


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