Unequal Uncap Protective FlexShell

UE-UNCAP Unequal Uncap Baseball L/XL Default View

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Finally, serious supplemental head protection for baseball and softball umpires who wear a traditional mask & cap behind the plate or who are looking for more protection on the bases.

The Unequal Uncap uses military grade technology in an ultra-thin liner that is easy to insert and concealed underneath. No one will know you are wearing it.

The Uncap combines FlexShell™ protection with a military grade composite that absorbs and disperses impact forces. It has two size options that cover all head sizes.


  • Serious, concealed protection
  • Reduces risk of head injury
  • Protects against foul balls, bad bounces and back-swings
  • With added protection comes more confidence
  • Low-profile, no one knows you’re wearing it
  • Simply drops into cap and tucks under sweatband


  • Uses FlexShell™ technology w/ Unequal TriDur® aramid fabric
  • Flexible & fits comfortably under virtually any ball cap
  • NURO technology ensures effective protection
  • Absorbs, disperse, deflects impact force
  • 320-degree protection
  • Ultralight, ultra-thin


  • Flexible, easily fits in fitted hat sizes 6-5/8 thru 8
  • L / XL - hat sizes 7-3/8 thru 8 (solid color on the inside extends to the bottom)
  • S / M - hat sizes 6-5/8 thru 7-1/4

Cap not included

Product Video

Official 2-Minute Review: Unequal Uncap Protective FlexShell

Ty Unthank gives you the inside scoop on the @Unequal Uncap FlexShell for Baseball & Softball Umpires. Get 320-degree head protection under your cap - no one will know you are wearing it!


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Official Reviews


Kimberley G.

Eight Mile, AL

July 20, 2022
Overall I like it but there needs to be some adjustments on how it fits.

Erich K.

Gaston, OR

June 17, 2022
I ordered the S/M for my 7-1/4 head. I tried it without a hat, and with two different caps (flex fit and a Velcro back). It is absurdly uncomfortable on the head, and makes the hat sit way too high on my head to work right. I appreciate the effort here, but this is NOT a product I could recommend. For those who wonder, it WILL work with a Velcro back hat (or snap back), but the back of the uncap ends up showing through the adjustment 'loop'.

Nathanael G.

Madrid, MD

June 8, 2022
It looks better than it is. It is a bit uncomfortable. The worst part is that the pads inside the hat are not removable so they can not be washed. I can not imagine the smell of the hat after 5-6 games. It might provide an extra protection, however, I don’t feel much protected and it is quite uncomfortable to wear. Overall I would say it is not worth 60$ for what it offers and for the possibility of throwing it away due to the bad smell.

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Questions About This Product

Q: Hi. My plate hat is a size 7. I wear it very snug so it doesn't come off when removing my mask. My field hat is a 7 and 1/8, which fits me like a normal hat. What size protective shell should I buy that would both fit me snug and not come off my head and still fit inside my hat? Or, what combo size shell and size hat should I use? Thanks.
– Francis Enjem

With a cap size as described, the S/M size Unequal Uncap, recommended for cap sizes 6 5/8 - 7 1/4 is the size you should use. Try on in your home with the two umpire cap sizes to determine which fits best for you.

– Brandon Lawson
Support Specialist, Pro Umpire School Graduate and Umpire, Football Official & Basketball Referee

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*DISCLAIMER: Unequal reduces the risk of head injury as compared to no head protection. Leading medical doctors, PhD’s and scientists have concluded that a reduction in acceleration correlates with a reduction in concussion risk. Any player in any activity, game, or sport, can sustain a head injury even with head protection, and that no helmet, pad or Unequal product can prevent concussions or eliminate the risk of these injuries. See full product warning at unequal.com.