Skygraphx Mens Einstein Exploding Brain T-Shirt MUST READ PRODUCT DESCRIPTION BELOW. Skygraphx products are screen printed in the USA. Skygraphx is the manufacturer and only authorized seller of Skygraphx products on Amazon. Take caution when ordering Skygraphx from resellers not located in the USA as these may be potential counterfeit items. 100% Cotton. Small Logo on Sleeve. Regular Fit.