Consider UV protection, lens quality, and fit; look for UV400+ protection and a secure wrap design that blocks peripheral light.

Lens type (polarized vs non-polarized), UV protection, frame material and durability, and how well they fit your face for full coverage.

Comfort for extended wear, weight, temple grip, and whether you need prescription compatibility or specific lens colors for activities.

Choose 100% UV protection, polarized lenses to reduce glare, and a snug wrap that minimizes side light.