Shock Doctor Core Brief with Bio-Flex Cup


  • Secure and comfortable fit
  • Mesh cup panel for maximum ventilation


This youth brief is designed with moisture wicking four-way stretch fabric that moves with your body while eliminating sweat.

The internal mesh cup panel secures the cup and increases ventilation to improve cooling. Includes our Shock Doctor BioFlex Athletic Cup, a vented bio-shape device designed to shield areas where protection is most crucial.

The body of this core protective cup forms flawlessly to your athletic frame, providing unrestricted movement, airflow and comfort.

Size Chart

How to measure

To choose the correct size for you, measure your waist circumference.

Boy’s/Youth Supporters

Size Waist Cup Size
YOUTH XX-SMALL 48.3cm – 50.8cm X-Small
YOUTH X-SMALL 50.8cm – 55.9cm X-Small
YOUTH SMALL 55.9cm – 61cm Small
YOUTH MEDIUM 61cm – 66cm Small

Additional information




Youth Medium


Shock Doctor


Shock Doctor


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