Boys The Simpsons Swim Shorts. Blue and yellow board shorts every young Bart Simpson fan will love to sport to the beach or the pool! These swimming trunks feature a plain background, an image of Bart surfing on one side and a fun logo that says 'Surf Up' on the other. A must have for all Simpsons fans this summer, they also come with an elasticated waistband so they can get up to mischief in total comfort.