Elvis wears his iconic gold lamé suit.
The suit was designed by Nudie Cohn for Elvis in 1957. It consisted of a jacket, pants, shoes, a tie and a belt.
Elvis only wore the full suit for three performances: in Chicago on March 28, in St. Louis, Missouri on March 29, and in Toronto, Canada on April 2.
In the photo we see him the day he used it completely, for the last time.

I have a picture of Elvis taken at Maple Leaf gardens with his drivers license on it