Robert Graham Men's Costa Short-Sleeve Knit Polo Shirt 100% Cotton Imported Machine Wash This polo is pieced together from white and navy blue, the patchwork highlighted by reflecting piping at the seams. The collar sports a contrast trim that melds into the contrast undercollar. The signature X Collection double gros grain detail on the center back inside the yoke, side vents, and a single chest patch pocket completes this piece. This polo is pieced together from white and navy blue, the patchwork highlighted by reflecting piping at the seams. The collar sports a contrast trim that melds into the contrast undercollar. The signature X Collection double gros grain detail on the center back inside the yoke, side vents, and a single chest patch pocket completes this piece.