The Whistle Shield

WH-SHIELD The Whistle Shield Back Angled View

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  • WH-SHIELD The Whistle Shield Back Angled View
  • WH-SHIELD The Whistle Shield Front Angled View
  • WH-SHIELD The Whistle Shield Side View
  • WH-SHIELD The Whistle Shield Inside View
  • WH-SHIELD The Whistle Shield In Use
  • WH-SHIELD The Whistle Shield Back Angled View with Ring
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The Whistle Shield is designed to fortify existing whistles from emitting air particles and droplets up towards the face of others.

TWS maintains the whistle’s sound, function and is easy to install. It can be used with most classic pea-less whistles with or without a cushioned mouth grip and can easily be wiped clean - no washing needed.

Once a whistle has been "Shielded", all of the emissions are directed straight down and away from the eyes, nose and mouth of any close player, coach, fan or fellow referee.


  • It can be used with your Fox40 classic whistles with or without cushioned mouth grips. (Sorry, the TWS will NOT fit other style whistles including fingergrip).
  • Works with Precision-Timing System (PTS)
  • Diverts all whistle emissions away from the eyes, nose and mouth of others to help prevent the spread of COVID-19
  • Reduces whistle “touches,” as once Shield is attached users will not touch the whistle again
  • No cloth material to impact whistle sound
  • Use with a lanyard or handheld
  • Wipe clean - no washing needed
  • Made in the USA
  • Patent pending

Product Video

The Whistle Shield In Action

Additional Videos

  • Crew How-To: Attaching Your Whistle Shield
  • The Dish: COVID-19 Solutions for Umpires and Referees


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Official Reviews


Kenneth B.

Austin, IN

January 21, 2021
It serves its purpose but my partners have noticed a lot of difference in the sound. I never had any trouble with them hearing me before using the Whistle Shield.

Dontrail D.

Baton Rouge, LA

January 18, 2021
The Whistle Shield is 100% better compared to the whistle pouch. It fits the Fox 40 Classic perfect by snapping into place. The only thing I would recommend is probably attaching a ring to the shield for the lanyard.



January 8, 2021
Big improvement from the fabric protector, which was a waste of money. This fits securely on my whistle & allows for the whistle to be heard and not muffled. Very pleased.

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Questions About This Product

Q: Does this shield work with a Fox Sonic Blast whistle?
– Charles Harvuot

The Whistle Shield will work with Fox 40 Classic CMG and Classic whistles. The slightly longer and oblong shape of the Fox 40 Sonic Blast will not allow The Whislte Shield to snap into place.

– Ty Unthank
Communication & Service Specialist, Pro Umpire School Graduate and Umpire

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Ump-Attire.com & the manufacturer do not make claims that this item will prevent against the spread of airborne viruses. Due to hygiene and sanitary reasons, all sales are final. Non-returnable. Non-exchangeable.