Regular Fit Slub T-ShirtPlain t shirts are an easy way to introduce some sophistication into your day to day repertoire. Keep it simple. A sleek plain t shirt should form the cornerstone of your capsule wardrobe. Not convinced? Try pairing a plain white t shirt with a denim jacket, cargo trousers and white low top trainers. For a more sophisticated look, dress it up with a blazer, chinos and smart shoes, or sneak it underneath your suit to stand out. If you're not sure which