The Best Sunglasses for a Heart-Shaped Face Keep Their Weight Low

Frames flatter by contrast. A face that carries its width up top is balanced by a frame that carries its structure down low, the same way an angular face is softened by curves. Nothing about a heart-shaped face needs correcting; the job is simply to stop the frame from repeating the forehead's width and to give the narrow lower half something to answer with.

Each recommended shape does that by a slightly different route. The aviator's teardrop taper narrows exactly as the face does, so frame and face agree all the way down. A round lens turns its curve toward the chin, and that curved lower rim opposes the point rather than echoing it. Rimless frames add weight nowhere. A semi-rimless frame with the rim along the bottom goes one better and puts its only structure in the lower half, and light-topped or bottom-weighted full-rim frames make the same move with a thin or pale upper rim over a stronger lower one.

The chart below mixes recommendations and cautions on purpose, so read the first word of the second column as the verdict and the rest as the reason. Every row reduces to the same principle: weight low works with the face, weight high works against it.

None of it is gendered; the geometry does not care who wears the frame. The usual men's misstep is the clubmaster, bought as a safe classic and delivering a thick bar across the widest part of the face; the usual women's misstep is the oversized frame with a decorated upper rim. The fixes are identical, because aviators, round wires, and rimless frames suit anyone whose face narrows from forehead to chin.

Heart and diamond get mixed up constantly, and the mix-up is expensive because the frame advice runs in opposite directions. On a heart-shaped face the forehead is the widest line, with the cheekbones close behind; on a diamond face the cheekbones are clearly widest and the forehead is narrow. A heart face wants weight taken off the brow, a diamond face wants weight added there, which is why detail along the brow line, browline frames included, shows up in diamond advice and is excluded here. Same frame, opposite verdict, and the geometry is the entire reason.

Oval is the other neighbor. An oval face is longer than it is wide with no single dominant feature, so nothing needs counterweighting and nearly any frame sits well. If your chin tapers but your forehead is not obviously your widest line, you may be oval rather than heart, and your decision moves to size and color.

The mirror check: pull your hair back and look straight on. Forehead widest with a chin that comes to a point reads heart; cheekbones flaring wider than both forehead and jaw reads diamond. If it is close, the face-shape guide takes four measurements and gives you the order to compare them in, which settles the borderline cases a mirror cannot.

Guides tend to hand the cat-eye a one-word verdict for heart faces, some yes and some no, which is a good sign the one-word answer is wrong. Two mechanisms are in play, and they pull in opposite directions.

The first helps. A gentle upsweep at the outer corner lifts and lengthens the eye line, and a lifted line reads as polish, not width. A subtle cat-eye in a thin rim can flatter a heart-shaped face for the same reason a fine stroke of eyeliner does. The second hurts. A dramatic sweep concentrates thick frame material in the upper outer corners, at the height of the face's widest span, and at that point the cat-eye behaves like a browline frame with better publicity.

So the verdict is conditional on degree: thin rim and modest lift, plausible; thick, flared corners, the same problem this page keeps telling you to avoid. If you are tempted, run the test instead of trusting any chart, including this one. Try on a subtle cat-eye and an aviator, photograph yourself straight on in daylight in each, and compare the lower half of your face in the two photos. If the chin looks smaller and the forehead broader under the cat-eye, the sweep is too much.

As a starting point, the frame front should be about as wide as the widest part of your face, which on a heart shape is the forehead and upper cheekbone line, and it should not run wider. A frame that spills past the temples adds width at the exact height that already has the most, which is the size version of the browline mistake.

Lens depth is the second check, and one guideline covers it. A heart-shaped face has a short lower half, so choose a full-rim lens shallow enough that the bottom rim clears your cheek, including when you smile. The one exception is the aviator: its lens can run deeper than that rule suggests, because the teardrop narrows as it drops and less of the frame ever reaches the cheek. That is also why an aviator that looks large on the shelf often sits light on a heart-shaped face.

The top rim follows the general rule: at your brow or just below it, close enough that no bare strip of forehead shows between brow and frame. A gap there puts a band of bare skin across the widest region of your face and makes the forehead read taller and broader. The rest is a short checklist.

Color carries one extra rule for this shape. A frame is visual mass, and dark, opaque color reads as more of it. Across the top of a heart-shaped face, a solid black rim adds weight in exactly the region the shape rules just told you to unburden, so a lighter or translucent frame, crystal, light tortoise, taupe, soft horn, often balances better than black even when the shape is right. If you love black, spend that preference on a thin rim or a wire, not a chunky acetate.

Beneath that caveat, the usual coloring logic applies. A warm undertone sits well behind tortoise, amber, honey, warm horn, olive, cream, and gold hardware; a cool undertone sits well behind black, charcoal, slate, navy, cool grey, crystal, and silver hardware, with the darkest of those best kept to thinner rims here. A neutral undertone takes either side. Contrast decides frame strength: high-contrast coloring carries a bold frame, low-contrast coloring is overpowered by one, and conveniently, the lighter frames that suit low contrast are the same ones this geometry prefers.

Which side of those lists you belong on is not a face-shape question at all. It is a coloring question, the same one that decides your best clothing and hair colors, and undertone is notoriously hard to self-diagnose at a bathroom mirror; a frame color that is only slightly off shows up in daylight photographs before it shows up in reflections.