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Phase Changing Cooling vest, neck wraps, hat inserts

Phase Change Cooling Apparel is specifically designed to provide comfort and heat stress protection. Our phase change vests and wraps deliver a constant temperature for up to 3 hours. Non-toxic, non-flammable constant temperature cooling systems. The cooling performance is not impacted by humidity or outside temperature. The phase change packs may be re-used over and over again by simply submersing it in a fridge or ice water.

Phase Change Cooling Technology

Key Benefits

  • Commonly used under military combat gear, hazardous materials suits, mascot costumes, and other apparel
  • Provide cooling comfort and heat stress protection in high temperature environments
  • Phase Change Material (PCM) releases long-lasting, temperature-specific (58 degrees F, 14 degrees C), cooling relief
  • PCM is non-toxic, non-flammable, durable, reusable, lighter than water, and does not produce condensation


Easy to Use

  1. Submerge PCM inserts in ice water for up to 45 minutes, or place in a freezer, until solid
  2. Return inserts to garment pockets
  3. Wear; repeat steps as needed (or use additional inserts for continuous relief

How It Works

Hpw It Works Phase Change Cooling

Phase Changing Cooling Vest, Neck Wraps,Hat Inserts

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Phase Change Cooling Brow Pad Inserts (SKU: 6663)Phase Change Cooling Brow Pad Inserts Use additional inserts for continuous cooling relief
Phase Change Cooling Neck Band Replacement (SKU: 6661)Phase Change Cooling Neck Band Replacement Standard Neck Band Inserts * Use additional inserts for continuous relief from the heat
Phase Change Cooling Brow Pads (SKU: 6621)Phase Change Cooling Brow Pads Hook & loop attaches easily to hard hat liner (hard hat not included) 100% cotton (excluding insert)
Replacement Insert phase change pack for crown cooler (6622) (SKU: 6664)Insert for crown cooler
Extra set of Pc packs for Deluxe Neck wrap (SKU: 6662)Extra set of phase change inserts for the deluxe neck wrap Easy to change out so you are always cool
Neck band with phase change insert (SKU: 6619)Standard Neck Band Insert Phase Change Neck Band Tie fasten including Phase Change pack. Royal Blue Neck band with phase3 change inserts included
Phase Change Cooling Crown Cooler (SKU: 6622)Phase Change Crown Cooler fits in your hat to keep you cool Hook & loop attaches easily to hard hat liner (hard hat not included) Royal Blue
Deluxe Neck Wrap with phase change insert (SKU: 6620)Phase Change Cooling Deluxe Neck Bands Hook & loop closure for a lower profile fit 100% cotton (excluding insert) Royal Blue
Extra Insert set (4 Inserts ) Phase ChangeCooling Vest (SKU: 6665)Phase Change Cooling Standard Cooling Vest Inserts * Use additional inserts for continuous relief
COOL PAX Extra Set (2 Inserts) (SKU: 6667)

6667 Cool Pax for Pull Over Vest

TECHKEWL Phase Change Body Cooling Vest (SKU: 6626)

TechKewl Phase Change Cooling Garments Passive Cooling Garments that release long lasting,58 degrees F temperature specific, cooling energy. # V-neck w/zipper closure; hook & loop girth adjustments # 100% cotton (excluding inserts) # Royal Blue

TECHKEWL Phase Change Cooling Vest (SKU: 6625)

6625 TechKewl Phase Change Cooling Vests

  • Scoop neck pull over
Cooling Vests w/Built-In Hydration System 6627 (SKU: 6627)Phase Change Cooling 6627 Cooling Vests w/Built-In Hydration System
TECHKEWL Hybrid Sport Vest (SKU: 4531)TECHKEWL Hybrid Sports Vest - these unique products combine our HyperKewl™ cooling technology with our TechKewl™ cooling technology to create a more versatile cooling product with an extended life.
Standard Vests w/NOMEX™ 6626-N (SKU: 6626-N)Fire resistant; V-neck w/zipper closure, and hook & loop girth adjustments NOMEX™ fire resistant fabric, thread, and hook & loop for complete protection