YellowIbis.com: The best science t-shirts, chemistry t-shirts, nerd t-shirts, and more. 

Size	S	M	L	XL	XXL
Measure A (inch)	24.8	25.5	26.0	27.0	29.0
Measure B (inch)	12.5	13.5	15.5	16.5	16.5

Snug comfort for that feel-good feeling. This longer length slim fit t-shirt by Bella gently hugs your body with its super-soft ring-spun sheer rib cotton. The stylish longer-length cut allows you to pair this top with low-rise bottoms or layer it with other shirts. Made from 98% cotton and 2% spandex with a fabric weight of 4 oz.

Flex print (plot print with a smooth finish)

• a slightly shiny surface and smooth to the touch
• extremely durable
• up to 3 different colors per design