Wear your Poseidon or Mermaid t-shirt gear to show your support for King Tide Challenge and our mission of funding skin cancer research at Moores Cancer Center at UC San Diego Health. Each purchase generates a donation to our Foundation.
Lots of sizes, colors, and styles to choose from.
Poseidon T
New for 2025 assorted colors and styles, including women’s cut.
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Mermaid T
Introduced last year, she was so popular we brought her back. White T in two styles.
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Hats
Baseball, trucker, and bucket. Assorted colors and designs.
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We are using the Bonfire print on demand platform. Bonfire will collect payment then ship the merch right to your front door, and a portion of your purchase will be sent to the King Tide Challenge Foundation.