Houston Rider wrote an answer about Louis Garneau Fit Sensor Shorts on November 24, 2012
I am also 5'9" and 190. I wear XL. In slacks I wear a size 36 waist. Took a spill off my bike recently. Slid on a rough road with loose gravel. On my hip and leg had a nice strawberry. The shorts held up without tear. Wearing for a year, every Saturday, 60 miles average. Still in good shape.