Yes, Jim Harbaugh is superstitious.

Harbaugh did not want to change shirts when he left Stanford for the NFL, so he had a 49ers logo stitched on top of the Stanford logo:

Jim Harbaugh always wears a whistle with a red sharpie attached to it even though players say they've never seen him use the sharpie:

Harbaugh was also superstitious as a player. After a mediocre rookie season wearing 14 with the Bears, he switched back to the 4 he wore at Michigan:

Then, with the Colts, Harbaugh wore 12 for one mediocre season before once again switching back to his familiar 4:

Jim Harbaugh will only wear pleated khakis and even went to Walmart to buy more after his wife threw his others away:

He is so attached to his game-day coaching outfit that he even wears it when competing in other sports:

Harbaugh wore cleats after losing his footing trying to break up a fight. But after switching back to sneakers and losing two straight games, he switched back to the cleats:

Source: SFGate.com

The 49ers typically travel to Seattle on the day before the game. But this week, the 49ers will travel on Friday, matching what worked prior to their last two playoff wins:

Jim Harbaugh sits in 49ers bus.

Source: MercuryNews.com