grey sweats day 

november 22 is grey sweats day. all guys wear grey sweats on november 22

“dude why is everyone wearing sweats?”
“bro is grey sweats day!!”
“oh damn, i wore jeans 🥺”

grey sweats day by crazydino99 November 21, 2019

National Grey sweats day 

A day where you wear grey sweat pants

Hey Mike did you here it's national Grey sweats day

National Grey sweats day by Alexis Windshear September 29, 2020