Nike's G-Flex Pebble Grain model has an insert of stretchy fabric where the metal attaches to the leather to give it flex.
Tour Flex Fit
Schwartzel likes bright colors early in the week, but he wears black on Sunday as a tribute to fellow South African Gary Player.
He's listed at 5'11" and 160 pounds, and that's probably fully clothed. Schwartzel is as skinny as they get, but great core strength allowed him to average 297 yards a drive in 2011.
Schwartzel is particular about the fit of his pants, so he has them custom-made.