This is a brown Michael Kors faux suede sport coat featuring a two-button closure and a signature monogram lining. size 40s Michael Kors men's tailoring, a size 40S refers to a 40-inch chest with a Short jacket length. The "40" denotes the chest measurement in inches, and the "S" means the torso and sleeve lengths are proportioned for men shorter than average (typically 5'4" to 5'7" tall).