Mark 2 - Supporting HEADstrong

Improving lives affected by cancer.
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Proceeds from every purchase of a limited edition lime green StringKing Mark 2 lacrosse head will help support the HEADstrong Foundation in their mission to improve the quality of life for those affected by cancer.







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HEADstrong and StringKing Partnership Blue Background
StringKing and the HEADstrong Foundation teamed up to help improve the lives of those affected by cancer. We’re joining forces to offer a line of limited edition HEADstrong lime green Mark 2 lacrosse heads, with proceeds going to help patients and their families.
HEADstrong Logo Green Background
Every family helped is fulfilling the vision and honoring the memory of HEADstrong's founder, Nicholas Colleluori. From financial assistance to support groups and entertainment, and even free housing during treatment, they make lives easier for all those affected by cancer.
HEADstrong Learn More 2
To learn more about HEADstrong and their mission, or to contribute directly, visit

Durability guaranteed.

If your lacrosse head breaks within its warranty period, we will replace it for free.
  • Major cracks, bends, or breaks.
  • Manufacturing defects.
  • Anything that would deem the head unplayable or significantly affect performance.
Not Covered
  • Intentional alterations (pinching, baking, bending, cutting) or deliberate misuse.
  • Minor nicks or scratches.
  • Normal wear and tear.
  • Purchases from unauthorized dealers.

Photo documentation and valid proof of purchase are required for a full warranty credit.

Warranty replacements have a limited warranty that covers 50% of their retail value.


Show us your Mark 2 HEADstrong to be reposted by @TeamStringKing.