Look for a frame size that fits your face, lenses with solid UV protection, and a tint that suits your daily wear. Also check bridge width and temple length for a comfortable fit.

Key factors are frame width, bridge fit, lens quality (UV protection and color), and overall build (material and hinge durability). If you want glare reduction, consider polarized lenses or higher-quality coatings.

Consider polarization, lens category (darkness level), anti-scratch coatings, nose pad comfort, and whether you prefer a brand/style that matches your wardrobe.

For everyday use and travel, prioritize a comfortable fit, UV400 protection, and a versatile tint. If you’ll be outdoors a lot, polarized lenses; for varied outfits, a classic gold oval frame with a mid-size width usually offers the most versatility.