Daydreamer “The Beach Boys California Dreamin’” tshirt size small. Some light wear in the lettering but overall excellent condition. 100% cotton. Coastal culture and California sound, cue The Beach Boys. The sentiment of all things Beach Boys is featured in a sun and palm tree neon graphic accented in puff ink. Stamped with the boys’ song ‘California Dreamin,’” consider this your ticket to a sundrenched and laid back SoCal experience.