The Center is currently closed to the public for renovations, but we are still hard at work saving animals. Shop online to support our life-saving work! Please note that our team will not be available Christmas Day and New Year's Day.

Black hooded sweatshirt featuring design with 10 sea lion profiles in white, gray, tan, and brown on front. Text "The Marine Mammal Center Sausalito, California" beneath image.

Decade Hooded Sweatshirt

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Our one-of-a-kind Decade Design, initially created in honor of The Marine Mammal Center’s 10th anniversary, remains our most popular design over 30 years later. Featuring the side profiles of ten regal sea lions, this classic is sure to draw compliments.


  • Cotton and polyester blend.
  • Drawstring hood, "kangaroo" front pocket.
  • Printed by a local small business in San Rafael, California.
  • Adult sizes: S-XXL.
  • Tends to run slightly small. Size up if you prefer a looser fit.
Size Chart
    Size Chest Length
    S 34-36" 26.5"
    M 38-40" 27.5"
    L 42-44" 28.5"
    XL 46-48" 29.5"
    XXL 50-52" 30"