Persol 0649 - Zac Efron - Neighbors
These sunglasses with their vintage and stylish look are one of the most popular Persol frames. The sunglasses in the film have a tortoise (Havana) color frame and it looks like blue gradient lenses.
The same model is also available as a folding frame, model nr 0714, as made famous by Steve McQueen.
Reference: Persol PO0649, havana frame, Sky blue gradient lenses, color code 24/86