Get a Polo Men's Classic Crew Three-Pack for $23.50 shipped, normally $39.50, when you apply promo codes PRIVATE16 and MOM16 during checkout at RalphLauren.com. At $8 per shirt, this is the best deal we could find for these tees, which come in four color options. You can also get them in Slim-Fit Crew, Slim-Fit V-Neck, and Classic V-Neck styles. Sales tax is charged in most states.