Straight from Wikipedia (because you really can't make this shit up):

"The theory claims that the transition from Homo Erectus to Homo Sapiens and the cognitive revolution was caused by the addition of psilocybin mushrooms, specifically the mushroom Psilocybe Cubensis, into the human diet around 100,000 years ago."

...welp...

About the Shirt

Typically considered a unisex-fit tee, the classic Tultex Men’s T-Shirt is pre-washed to minimize shrinkage. Runs on the thin side for those looking to keep cool during a hot day. Created with durability in mind with its taped neck and shoulders.

• 4.5 oz., 100% ring-spun cotton (unless otherwise noted)
• 30/1 fine knit jersey, tubular construction
• Ribbed Crewneck
• Taped neck and shoulders
• Double-needle sleeve and bottom hem

Features

• 4.5 oz., 100% ring-spun cotton (unless otherwise noted)
• 30/1 fine knit jersey, tubular construction
• Ribbed Crewneck
• Taped neck and shoulders
• Double-needle sleeve and bottom hem

For environmental and human friendly reason, this product is only made when you order it. Typically, this product will be made in about a week, we will send you tracking information as soon as it's in the mail.