Start with the basics: ensure UV protection, then check frame and lens quality and that the product uses sustainable materials or eco-friendly production. Also consider face shape and fit for a comfortable wear.

Top attributes are UV protection (UV400), lens type (polarized options reduce glare), frame material (recycled or bio-based), and overall fit/size for your face.

Yes—consider lens tint for daily wear versus outdoor use, coating durability, and how the eco-friendly materials align with your values, like recycled plastics or plant-based materials.

Filter for a mid-size cat-eye with a neutral color and a reliable UV rating, then compare models offering eco-friendly materials and, if needed, polarized lenses for glare-heavy settings.