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Reinventing the science t-shirt!
A reproduction of the first sketch of an evolutionary tree by Charles Darwin, 1837. The diagram was drawn in one of his first notebooks on 'transmutation'. Darwin wrote "I think" above the diagram. Durable royal blue flex-print design. YellowIbis is the original maker of this t-shirt design. Email us if you would like a custom color choice.
This relaxed fit men's t-shirt has a seamless rib collar with double-needle cover stitching, shoulder-to-shoulder taping, double-needle sleeve and bottom hem. The material is made from 100% cotton and has a fabric weight of 5.6 oz.