Jay-Z Wears Greg Laboratory Work Jacket During Tom Brady Hall of Fame Ceremony Performance

The jacket cuts a modern boxy fit and was designed with the trifecta of dryness, warmth, and agility in mind.

“If I could go back and tell a 17-year-old me HOV will be wearing your design on stage, I would think I was lying,” Greg Jackson, founder of Greg Laboratory, tells Complex. “Everything I design is made to be functional, so the fact that he’s performing in it was kind of proof of concept.”

Get a closer look below.