Men’s navy polo shirt Polo shirt collar, short sleeves Knit with textured tone-on-tone stripes Rib trim on the collar 3 buttons IKKS Styling Advice: Trip to Las Vegas. In your suitcase: essentials only. A white and printed shirt, faded or not-so-faded blue jeans. A navy suede jacket to layer on top. Get mix’n’matching. There’s the navy polo shirt and the IKKS navy polo shirt. The textured tone-on-tone stripes confirm its fashionable, stylish character.