What are CR-39 Sunglasses Lenses and Why You Need Them – Nessy Khem

CR39 Vs. Anti-Reflection (Multicoated)

Go big or go home. The Smith Lineup sunglasses strike a balance between timeless classic and modern, chunky style you can wear anywhere. The bio-based frames have soft rubber, non-slip nose pads, so they don't slide down your face on a hot summer day. Color- and contrast-boosting ChromaPop lenses give you a clear read on life from sidewalk to surf break and park to patio.

SMITH Lineup Matte Tortoise - ChromaPop Brown Polarized Sunglasses

Polycarbonate vs. CR-39 Lenses

A bold silhouette — is inspired by the famous Egyptian singer of the Middle East Umm Kulthum. Her music lulled the life of many. A universally

Bledi Khaltoum Black

CR-39 - Wikipedia

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Polycarbonate vs CR39 plastic lenses

These legendary teal polarized sunglasses with UV400 protection were inspired by the epic… um, “parties” hosted by the queen of lake monsters herself.

Nessy's Midnight Orgy

Polycarbonate vs. CR-39 lenses!