Taylor Swift wears a pair Ray-Ban 2140 Wayfarer in the music video for her song 22.

The sunglasses have a black frame and the lenses are not polarized, otherwise a small "p" would visible next to the Ray-Ban logo on the lens.

Own these iconic shades:

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🔥 Why I love these
I’ve got a pair of black Wayfarers in my personal collection. With a timeless design that looks good on everyone, it’s no wonder they’ve shown up in countless films and series over the past 50 years. They’re easy to wear, effortlessly cool, and a must-have classic.

In the same music video, Taylor Swift is also wearing Red Heart Sunglasses.

Reference: Ray-Ban RB 2140 Wayfarer - Color: Black (code 901)