A reverse stripe is like an inverted pencil stripe — the colored stripes are wide, separated by narrow white space. This highlights more of the shirt color, and in terms of dressing it pairs much like a solid.
The high 120/2 yarn count makes this an exceptionally smooth and polished shirt.
A poplin weave is what many of us think of as the classic dress shirt. Featuring a basic over-under weave, poplins tend to be smooth, light and crisp.