Argon Element-18 T-Shirt

Tribute to the noble gas Argon (the third most abundant gas in the Earth's atmosphere), element-18! Shirt also shows discoverer and the ground-state electron configuration. Designed by Aardvark Dreams. .: 100% Airlume combed and ringspun cotton (fiber content may vary for different colors).: Light fabric (4.2 oz/yd² (142 g/m²)).: Retail fit.: Tear away label.: Runs true to size   XS S M L XL 2XL 3XL Width, in 16.50 17.99 20.00 22.01 24.02 25.98 27.99 Length, in 27.01 27.99 29.02 30.00 31.02 32.01 32.99 Sleeve length, in 8.62 8.90 9.17 9.45 9.72 10.00 10.39