Sunglasses occupy a unique position in the accessories category: they are both functional and visible, worn in daylight when everything else about an outfit is most apparent. A pair that works adds something to the face. A pair that does not creates a distraction that cannot be offset by anything else in the outfit.
The logic of choosing sunglasses is not complicated, but it requires knowing one or two things about face shape and proportion before buying.
Face Shape
The Principle of Contrast
The basic principle of sunglasses and face shape is contrast. A round face is balanced by angular frames. A square or angular face is softened by rounder frames. An oval face has enough natural balance to work with most shapes. The frame shape that contrasts the face shape works; the one that echoes it competes.
Frame width is the secondary consideration. The outer edge of the frame should sit approximately at the widest point of the face. A frame significantly narrower than the face looks too small and creates a constricted appearance. A frame significantly wider looks overwhelming. The right width is the one that fills the face without extending beyond it.
"The right pair of sunglasses does not draw attention to itself. It draws attention to the face."
What Else Matters
Lens, Colour and UV Protection
UV protection: The single non-negotiable. Any sunglasses worn outdoors should provide 100% UVA and UVB protection. Lens colour and darkness are not reliable indicators of UV protection — these are coating and material properties, not visual ones. Always verify the UV rating before buying.
Polarised lenses: Polarisation reduces glare from reflective surfaces — water, roads, glass. They are useful for driving and outdoor activity, but they can make certain screens harder to read. This is a practical choice based on how the sunglasses will primarily be worn.
Lens colour: Grey lenses are the most neutral — they reduce brightness without distorting colour perception. Brown lenses add warmth and contrast. Green lenses reduce glare while maintaining colour accuracy. For most settings, grey or brown are the most versatile.
"UV protection is a specification, not an aesthetic choice. Verify it before everything else."
Accessories
Sunglasses at MRC WEAR
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