Some interesting examples of the impact of colour and cut using J Crew shirts.

Colour and pattern can be used to emphasise or hide your top half:

    

Sleeve length is important. Cap sleeves always make your shoulders look bigger:
   

The longer sleeve takes the focus away from the chest:

      

Bigger, round necklines make shoulders look smaller:

   

These shirts are perfect – great colour, neckline, sleeve length:

 

    

Even better are collared shirts and knits: