Sigma = 21M summer pizza shirt or quietly announce where your

or quietly announce where your priorities lie

while the smaller 21M keeps the message pure: fixed supply

It’s designed for people who show up for change

waste-reducing construction

Sigma = 21M summer pizza shirt or quietly announce where yourA heavyweight, garment dyed tee that feels lived in from the first wear. This relaxed fit shirt sports a clean, math inspired front graphic in warm orange on a soft natural ground subtle, clever, and quietly confident. The thick ring spun cotton holds its shape while the garment dye process gives each piece a slightly muted, vintage depth. It sits comfortably for long days of teaching, grading, or thinking through problems at the coffee shop. Sizes