What kind of pants are these????

Question

John Legend looks ohh soo fresh in this video, it was the 2008 democratic national convention, and i wanna know what sort of pants he''s wearing. they seem to bulge at the thighs??? here's a video for reference, u can see his whole outfit at 0:52

http://www.youtube.com/watch?v=4go_rpRvYKA

Answer 1

they look like regular dress pants like dockers or somethign but just white

Answer 2

white dress pants