MOST CUSTOMERS ARE SIZING DOWN. PLEASE LOOK AT OUR SIZE GUIDE HERE. A boxy, loose fitting, navy-on-white Breton tee is a great, year-round wardrobe staple. The combination of classic pattern and flattering cut makes it versatile and super wearable, whether you want to dress it up with tailoring or dress it down with well-worn jeans. You can rely on Erin for a relaxed silhouette and a beautifully forgiving fit.