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Black Pink Permafrost
Black Pink Permafrost

This product is no longer available, but don't go just yet.


  • Grilamid® lightweight nylon frames offer a consistent fit and flexibility at any temperature, and they are impact resistant
  • Lightweight and virtually shatterproof, polycarbonate lenses are 20 times more impact resistant than glass and one-third the weight
  • Rugged stainless-steel hinges boost durability
  • Rubber nosepads and temples keep sunglasses in place when the activity level rises
  • VonZipper Frostbyte Castaway sunglasses feature 6-base-curve lenses; (the higher the number the more curved the lens™VonZipper sunglasses feature 6, 8 and 9 base curves)


View all Von Zipper Casual Sunglasses

REI membership


Best Use Casual
UV Protection 100 percent
Light Transmission 10 percent
Lens Material Polycarbonate
Lens Tint Gray
Polarized No
Additional Lenses Included None
Frame Material Grilamid nylon
Gender Women's

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more