From $99
Designed and Assembled in USA
Up to %
relative concussion risk reduction*
*Represents reduction compared to a helmet alone as shown by laboratory testing done at an independent laboratory and not live, real world conditions.
G8RSkin Shiesty Compared to Guardian Caps
G8RSkin Shiesty |  Guardian Caps |
$99 | XT - $70 / NXT - $125 |
Youth Shiesty weighs 5-6 ounces | Guardian Cap XT weighs over 7 ounces |
Adult Shiesty weighs 7-8 ounces | Guardian Cap NXT weighs over 12.5 ounces |
Useable for any helmeted sport | Only football |
Does not void helmet certification | because not attached nor incorporated into the helmet |
Average HARM reduction of 10% for NFL Protocol testing done at an independent laboratory | For the NXT version |
Average HARM reduction of 11% for 7.4 m/s hits | for NFL Protocol testing done at an independent laboratory |
All testing done with ONE Shiesty | All testing above done with two Guardian Caps |
XT versions (sold to High Schools and Youth)significantly less effective |
Demonstrated to provide better protection from collisions compared to helmets alone*
*As shown by laboratory testing done at an independent laboratory and not live, real world conditions.
No Data Found
*The above table represents data collected during laboratory testing at an independent laboratory and not live, real world conditions. Two additional locations, side and face mask offset, were tested and showed negligible change in concussion risk. The above represents the average concussion risk across all 3 speeds for each location tested.
Test Results
Side Upper
79.68% Reduction
Facemask Side
56.66% Reduction
Offset Front
37.08% Reduction
Rear Offset
31.14% Reduction
*Represents relative concussion risk reduction compared to helmets alone as shown by laboratory testing at an independent laboratory and not live, real world conditions.
Helmets Alone
With G8RSkin
Where Safety Meets Performance
Performance and Safety Features
Concussion Risk Mitigation
NFL Protocol tested to reduce concussion risk up to 79%*
Hearing Optimized
Perforated over the ears so that players can hear uninhibited
Fights the Heat
Includes a built-in pocket for cooling gel packs
Fits Most Hair
Designed for a comfortable fit for most hair types and styles
Antimicrobial Performance Fabric
Made of premium performance fabrics treated to control odors
Patent-pending technology with 20 patent claims
*Represents average reduction compared to a helmet alone for the side upper location as shown by laboratory testing done at an independent laboratory and not live, real world conditions.
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