This penguin knows his periodical table for sure! Show everyone you do too!
Depending on the color, these shirts can be a blend of cotton, polyester, and rayon. The collar is ribbed knitting for improved durability. The sides have seams to provide structural support.
.: 52% airlume combed and ring-spun cotton, 48% polyester (fiber content may vary for different colors) .: Extra light fabric (3.6 oz/yd² (122 g/m²)) .: Modern fit .: Tear-away label .: Runs smaller than usual
