Onyx Cool Knee 58° Therapy


The Onyx Cool Knee provides 58° cooling compression therapy and pain relief while playing the game or recovering from injury.  This wearable therapy features plant-based phase change material (PCM) that cools to a doctor-recommended 58° and lasts up to an hour.

  • Wear directly on the skin or over light clothing.
  • Safer than ice or gels; no risk of ice burn or frostbite.
  • Latex-free.
  • Refresh in refrigerator for 30 minutes to reuse.
  • Made in America. FDA registered.  HSA and FSA reimbursable.
SKU: 205-12-11201-3 Categories: ,

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Additional information

Weight 32 oz
Dimensions 19 × 13 × 0.5 in
Product Dimensions

17 in x 11 in x 0.5 in

Product Weight

17 oz.


Veltex fabric (black); Aromatic Polyether Polyurethane; Elastic straps with Velcro closure; Hexadecane molecular formula C16H34 or CH3(CH2)14C


Device and two (2) straps


FDA Class 1 Medical Device

Product Origin

Made in the USA