A season-ending injury can't stop Von Miller from reppin' his favorite brand ... with the Denver Broncos LB getting a sick custom Carhartt walking boot!!
The NFL superstar went down with a devastating ankle tendon injury in the season opener against the Tennessee Titans ... requiring surgery to get back to 100%.
The 31-year-old showed how he's dealing with the bad news on Friday ... revealing a personalized Carhartt boot to help him through the tough time.
Now, Miller's love for the company is the worst kept secret -- the guy LOVES to rep the brand while farming his chickens .