Hexagonal rimless glasses are having their biggest moment since the 1990s. Six-sided lenses — mounted without any surrounding frame — occupy a very specific space in eyewear culture: geometric enough to be distinctive, balanced enough to be wearable, and with just enough history to feel simultaneously retro and contemporary. If oval rimless is the Cartier choice and round rimless is the Steve Jobs choice, hexagonal rimless is the designer’s choice.
The Geometry of a Hexagon
A hexagon has six equal sides and six equal angles. In lens form, it is almost always oriented with a flat top and bottom — two horizontal sides — and four angled sides creating the upper and lower corners. This gives the hexagonal lens a distinctive horizontal emphasis at the top and bottom, with angular visual interest at the four corners.
The proportion of a hexagonal lens varies significantly between makers. A “tall” hexagon — where the vertical dimension approaches the horizontal — reads as more geometric and bold. A “wide” hexagon — significantly wider than tall — reads as more horizontal and closer to a rectangle with angled corners. The wide hexagon is the more commercially popular shape; the tall hexagon is more fashion-forward.
The 1990s Connection
Hexagonal glasses had their first major cultural moment in the 1990s, particularly in the fashion and music worlds. The shape was associated with a certain kind of studied individualism — it was angular enough to be noticed, unusual enough to signal design awareness, but not so extreme as to read as costume. Kurt Cobain wore hexagonal tinted lenses. Various fashion designers adopted hexagonal frames as their signature look.
The Y2K revival of 2024–2026 has brought hexagonal shapes back with full force. In a rimless setting, the 2026 version updates the 1990s original: the same geometry, stripped of the full-frame construction that made it feel heavy, resulting in something that references the past while feeling genuinely contemporary.
Face Shape Guide
Oval faces: The most versatile match — hexagonal lenses work well on oval faces in both wide and tall proportions.
Round faces: Excellent. The angular corners of a hexagon add definition to a round face. A wide hexagon works particularly well here, adding horizontal emphasis.
Long/rectangle faces: A wide hexagon adds visual width, which can help balance a longer face. Avoid very tall hexagons, which will elongate further.
Square faces: The angled lower corners of a hexagon can soften a square jaw — better than a true rectangle, not as fully softening as a round or oval. A moderate wide hexagon is the best choice.
Heart faces: The flat top of a hexagon complements the wider forehead of a heart face. Keep the width moderate to avoid over-emphasising the forehead.
Hexagonal Rimless Sunglasses
Hexagonal rimless sunglasses are arguably the most fashion-forward sunglass shape available. The geometric lens reads with complete clarity in the rimless setting, and tinted or mirrored lenses amplify the graphic quality of the shape. Yellow, amber, and light green tints complement the 1990s-revival aesthetic. Clear or very light tints in prescription hexagonal rimless glasses are a major 2026 eyewear trend.
Explore the Y2K rimless trend, browse our rimless sunglasses, or read our geometric rimless guide.