J97 "Petrol" (PTL). A bluish-gray color and one of the original colors available when the J97 was introduced as the replacement for the J43 in the early 2000s. Not to be confused
Carhartt J97 Blanket PTL Petrol Indigo Detroit Blanked Lined Work Jack – thefuzzyfelt
Carhartt Petrol Duck Canvas Dungaree Fit Carpenter Pants (B11 PTB) 42x30 (41x29) | eBay
Carhartt Detroit Jacket J97 PTL Petrol Carhartt Jacket Size L | eBay