This is the J. Crew Slim Secret Wash Shirt In Pindot. It's considered a slim fit in a medium size.  It's 100% cotton fabric in white with black dots. It's in excellent condition with no stains, rips, or odors. All buttons are intact and functional.  The shirt's approximate measurements are:  Shoulders: 18”  Pit to Pit: 20”  MidSection: 18 1/2"  Sleeves: 26”  Shirt Length from Collar: 28 1/2"