A nice touch is the stripe fading at the edges for a worn-in feel.
Mens Polo Ralph Lauren Striped Classic Fit Pocket T-Shirt Size Medium White Yale
What I like about this design is the stripe fading into the fabric gradually.
Mens Polo Ralph Lauren Striped Classic Fit Pocket T-Shirt Size Medium White Yale
The striped design here is subtle enough for work but fun for weekends.
Frizmworks T Shirt Purple Stripe Men Small (Fit M) 100% Cotton Short Sleeve
The horizontal striped pattern gives this shirt a nautical, seaside charm.
KULE Striped Long Sleeve Cotton T-Shirt
You will find that the multicolor pattern brightens up a dull closet.