H.I.T.T. SHIELD (High Impact Transfer Technology)

Hitt Shield “Defender”™ Sports Cap HITT-Shield non-Newtonian dilatant fluid (NDF) engineered for protective headgear that significantly reduces impact on the skull during collisions.


Protective Headgear for all sports

professional sports teams

california professional sports teams

new york professional sports teams

head protection for football, baseball, hockey, soccer, lacrosse, cycling, snowboarding, skiing, boxing

  • Under Helmet Safety Enhancement
  • Concussion Mitigation Protection
  • Football Helmets and concussions
  • Football Helmet Technology

“Defender” (2mm thickness) is proven in an independent testing lab report to produce four times (4x) more protection against head injury and concussions than any other brand on the market today. 
Defender (2mm) and Defender Pro (4mm) is worn directly on the head in a comfortable skull-cap design and will fit under any helmet.  The Defender, at a thickness of only 2mm, our High Impact Transfer Technology (HITT) NDF™ protection product demonstrates up to 80%  reduction in both linear and rotational impacts.  HITT Shield NDF™ performed better than every other enhanced head protection solution in market for use in sports, law enforcement, SWAT, riot control, military and many other applications. 

  • 4X more protection than closest market competition
  • Fully adjustable – one-size-fits-all
  • Machine washable
  • Uses wicker polyester for sweat management
  • Constructed with global patented NDF™
  • Customization Color and Printing Available

HITT Shield Defender™ & Defender PRO – Skull Caps are the solution for any sport or activity where head protection is priority.
If you want the best impact protection against concussions, sub-concussive injuries, CTE and all other traumatic brain injuries, HITT Shield’s NDF™ protection is the solution for you.

Independent Lab Reports

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Hitt Shield “Defender”™ Protective headgear for sports, Spo