A hat sits directly above the forehead, which makes it one of the fastest ways to change a face's apparent proportions without cutting or growing anything. On a square face — forehead, cheekbone, and jaw widths are nearly equal; face length is close to face width. — the right hat shape can meaningfully rebalance the silhouette.
Construction and Fit
Construction: Curved brim, structured crown, sits high on the forehead just above the brow. Shortens the visible forehead and adds a straight horizontal brim line.
Why It Suits This Shape
Why it suits this shape: Soften the jaw's hard corner and add movement at the temples and chin. Rounded shapes — in a haircut's ends, in frame lenses, in a beard's edge — counter the squareness without erasing the jaw's natural strength, which most square-faced people are better served by softening than hiding. A baseball cap works well here because it's longer foreheads that benefit from being visually shortened, which is close to a direct description of a square face's starting proportions.
Where to Be Careful
Where to be careful: Faces already balanced or short in the forehead, where more shortening throws off proportion.