Is the Charleston Button Up Shirt good for hot weather?

Yes. It is lightweight and breathable 100% cotton, which suits warm days better than heavier twill or blends. It has no stretch or moisture-wicking treatment.

What does yarn-dyed cotton mean here?

The yarns are dyed before weaving, so the color sits in the thread rather than on the surface. That generally holds color and pattern through repeated washing better than piece-dyed cloth.

How does the classic fit run?

Classic fit is roomier through the chest and waist than slim or tailored cuts. It suits a relaxed, traditional silhouette and leaves room for layering.

It is pure cotton with no wrinkle-resistant finish, so it creases, especially after washing. Plan to iron or steam it if you want a crisp look.

What buttons does it have?

Tortoise-shell buttons throughout, which give the shirt a warmer, more casual look than plain white buttons.

Can it be worn to an office?

Yes, in casual and smart-casual settings. The classic fit and tortoise-shell buttons make it less formal than a dress shirt, so it fits better where business casual is the norm.