A full-grid brain teaser takes over the Mathdoku Puzzle Button Up Shirt, turning the whole print into a dense field of number boxes, outlined cages, and tiny operation clues. Bright squares in blue, green, yellow, and orange scatter 1 through 9 across the pattern, with the puzzle continuing cleanly across the buttons, sleeves, and pocket for a satisfyingly unbroken logic-board look.Product Details Made with Geeknit, our ultra-soft, lightweight, and moisture-wicking fabric designed for all day long comfort Branded buttons Regulaxed fit Continuous design between the left and right side of the shirt and the optional pocket Created with eco-friendly inks that are environmentally friendly Licensed art with most purchases benefiting the artist directly Proceeds from every purchase benefits charity The Hawaiian shirt, also known as a camp collar, has a Cuban collar characterized by a flat, open notch neckline, which is best for laid-back settings. The Button Down has a more traditional button up closure that has a top button and a collar that stands upright and has a more formal appearance.
