When selecting a best man suit, look for features such as high-quality fabric like wool or wool blends, structured canvas construction, and thoughtful details like subtle patterns or textured weaves. Choose a color that coordinates with the wedding palette but doesn’t overshadow the groom—classic shades like navy, charcoal, or a tasteful pattern work well. Consider unique accents such as a contrasting pocket square or tie to add a personal touch while maintaining a cohesive look with the rest of the wedding party.