A T-shirt design with a spooky yet fun Halloween vibe. The design features a skeleton surfer riding a wave, dressed in a Halloween costume. There are pumpkins, bats, and a full moon in the sky. The background is a beach setting with surfboards. The quote "Ghouls on boards, chills on wave" is written in a spooky font. The color palette mixes the vibrant colors of the ocean with the eerie tones of Halloween.