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Cat eye sunglasses are one of the most versatile and beautiful eyewear shapes ever created, but they’re also one of the most misunderstood. The truth is, not every cat eye suits every face, and the wrong variation can work against your natural features rather than enhancing them.
The good news: with so many different cat eye styles available, there is absolutely a version that flatters every face shape. This guide breaks down exactly which variations to look for, which to avoid, and why.
Understanding Cat Eye Variations
Before we dive into face shapes, it’s worth understanding that “cat eye” covers an enormous range of styles. The shape has evolved significantly since the 1920s, and modern cat eye sunglasses come in dozens of sub-styles.
The key variables that determine how a cat eye frame looks on your face are:
Upsweep Angle: How dramatically the outer corners turn upward. A subtle upsweep is more understated; a dramatic upsweep is bold and expressive.
Frame Width: How wide the frame sits across your face. Wider frames add horizontal breadth; narrower frames create a more delicate look.
Lens Size: Oversized cat eyes make a statement and provide significant facial coverage. Smaller cat eyes are subtler and more refined.
Frame Weight: Thick, heavy frames draw attention to themselves. Thin, wire-style frames are more delicate and understated.
Bottom Shape: Some cat eyes have a curved, rounded bottom edge; others are more angular. This significantly affects how the frame interacts with your face shape.
According to the Victoria and Albert Museum’s collection of eyewear history, great frame design considers both the fashion of the moment and the individual wearer’s features, a philosophy as relevant now as it was when the first cat eyes emerged in the 1920s.
Finding Your Face Shape
Before choosing frames, you need to know your face shape. This is simpler than it sounds. Pull your hair back and look straight at a mirror.
Oval Face: Your face is gently longer than it is wide. Your forehead, cheekbones, and jaw are all in proportion, with no single feature dramatically wider or narrower than the others. The chin narrows gently.
Round Face: Your face is roughly as wide as it is long. Your cheeks are full and are the widest part of your face. Your forehead and jaw are similar widths with soft, curved edges.
Square Face: Your face is roughly as wide as it is long, but with a strong, defined jawline. Your forehead, cheekbones, and jaw are all similar widths, creating a boxy overall shape.
Heart-Shaped Face: Your forehead is noticeably wider than your jaw. Your face narrows significantly from the cheekbones down to a pointed or narrow chin.
Diamond Face: Your cheekbones are the widest part of your face. Your forehead and jaw are both narrower, with the face widest in the middle.
Oblong/Long Face: Your face is noticeably longer than it is wide. All features are proportional, but there’s significant length between your forehead and chin.
The Perfect Cat Eye for Each Face Shape
Oval Faces: The Lucky Ones
If you have an oval face, congratulations: virtually every cat eye style will suit you. Oval faces are considered the benchmark for frame compatibility because their balanced proportions work with almost any shape.
Best cat eye styles for oval faces: The world is genuinely your oyster. Try everything: dramatic oversized 1960s inspired frames, subtle modern slim versions, bold geometric cat eyes, retro 1950s pointed styles. All of them should work.
Our recommendation: Use your oval face as licence to experiment with the most expressive, creative cat eye styles. Go bold, try colour, choose the most dramatic upsweep you can find. Your face shape can handle it.
Avoid: Nothing is truly off limits, but be mindful of frames that are dramatically wider than your face, as this creates an unbalanced look on any face shape.
Round Faces: Add Definition and Length
Round faces benefit enormously from cat eye sunglasses because the upswept outer corners create an elongating, lifting effect. The goal is to add angular definition and visual length.
Best cat eye styles for round faces: Choose frames with a more dramatic upsweep angle. The upward tilt at the outer corners draws the eye outward and upward, creating the illusion of a more oval shape. Angular versions of the cat eye, where the bottom of the frame has straighter edges rather than curves, add further definition.
Go for medium to large frame widths. Too narrow and the frames disappear against rounder features; too wide and they emphasise width. Medium width with a strong upsweep is the sweet spot.
Avoid: Very rounded, soft cat eyes where the overall shape is more oval than angular. These mimic the roundness of your face rather than complementing it. Very small frames that sit in the middle of your face without reaching its edges.
Square Faces: Soften the Angles
Square faces have strong, defined features that benefit from the softening effect of a well-chosen cat eye. The goal here is to balance the strong jawline and forehead with shapes that introduce curves and upward movement.
Best cat eye styles for square faces: Look for cat eyes with a rounded, curved bottom edge rather than a straight one. This introduces the soft curves that balance angular features beautifully. A medium upsweep rather than an extremely dramatic one works better, as very sharp angles can compete with the natural angularity of square features.
Oversized cat eyes work brilliantly on square faces because the width of the frame balances the wide jaw. Frames that sit high on the face, covering significant portions of the forehead area, are particularly flattering.
Avoid: Very angular, geometric cat eyes with sharp corners throughout. These amplify the angularity of square features rather than softening them. Very narrow frames that sit in the lower portion of the face, emphasising jaw width.
Heart-Shaped Faces: Balance a Wider Forehead
Heart-shaped faces have a wide forehead tapering to a narrower chin. The goal with cat eyes is to draw attention to the lower half of the face and create visual balance.
Best cat eye styles for heart-shaped faces: Choose frames with a more subtle upsweep rather than a dramatic one. Very dramatic cat eyes emphasise the upper portion of the face, which is already the widest part of a heart-shaped face.
Frames that are wider at the bottom than the top work exceptionally well. Look for cat eyes where the widest point of the frame sits in the lower half of the lens. Lighter, more delicate frames in thin metal or slim acetate are less likely to overwhelm the face.
Medium-width frames are ideal. Very wide frames can make the forehead appear even broader.
Avoid: Very large, oversized cat eyes with extreme upsweep angles. These concentrate all the visual weight at the top of the face. Very wide frames that extend well beyond the cheekbones.
Diamond Faces: Highlight Your Cheekbones
Diamond faces have wide cheekbones as their standout feature. The goal is to highlight those cheekbones while creating harmony between the narrower forehead and jaw.
Best cat eye styles for diamond faces: Cat eyes are actually one of the best shapes for diamond faces because the upswept outer corners echo and emphasise the natural width of the cheekbones beautifully. Look for frames with a medium to wide width that sits across the cheekbone area.
Rimless or semi-rimless cat eye variations are particularly flattering as they draw attention to the cheekbones without adding visual weight to the forehead or jaw.
Avoid: Very narrow frames that don’t extend to the cheekbone width. Frames with very heavy bottom rims that draw the eye downward to the narrower jaw area.
Long/Oblong Faces: Add Width and Break Up Length
Long faces benefit from horizontal elements that add width and break up the vertical length. Cat eyes can be brilliant for this when chosen correctly.
Best cat eye styles for long faces: Oversized cat eyes with significant width are ideal. The horizontal expanse of a wide frame adds visual breadth and makes the face appear more proportional. Look for frames where the lens height is significant, as deeper lenses cover more vertical face area and reduce the appearance of length.
A dramatic upsweep can actually work well on long faces, as it draws the eye outward rather than downward.
Avoid: Very small, slim frames that sit narrowly in the middle of the face, emphasising its length. Very long temples (the arms of the frame) that draw the eye back and create a tunnelling effect.
Quick Reference: Face Shape and Cat Eye Guide
| Face Shape | Best Upsweep | Best Width | Lens Size | Key Goal |
|---|---|---|---|---|
| Oval | Any | Any | Any | Experiment freely |
| Round | Dramatic | Medium-wide | Medium-large | Add definition and length |
| Square | Medium | Wide | Large | Soften angularity |
| Heart | Subtle-medium | Narrow-medium | Small-medium | Balance width |
| Diamond | Medium | Medium-wide | Medium | Highlight cheekbones |
| Long | Any | Wide | Large | Add width |
Additional Fitting Tips
Frame Width: The frame should not extend significantly beyond your face. Ideally, the outer edges of the frame sit in line with the widest part of your face, or just slightly beyond.
Lens Position: The pupils should sit roughly in the centre of each lens. If they sit too high or too low, the frame is the wrong size for your face.
Nose Bridge: The bridge should sit comfortably on your nose without pinching or sliding. Adjustable nose pads help achieve a perfect fit.
Temple Fit: The arms of the frame should sit level above your ears without pressing into your head or sitting loosely.
Complementing Your Favourite Style
Your face shape guides which cat eye shapes flatter you most, but your personal style is equally important. Browse the womens sunglasses range for the full variety of cat eye styles available, from delicate and refined to bold and expressive.
For those who love clean lines and classic elegance, choose slim acetate or metal cat eyes in black or tortoiseshell. For maximalist, fashion-forward style, seek out oversized versions in bold colours or with embellished details. For something more unique, explore geometric cat eye variations that push the traditional shape in new directions.
The perfect cat eye frame is the one that makes you feel confident, stylish, and completely yourself. Use this guide as a starting point, but ultimately trust your own reflection.
