The TR90 is a thermoplastic material that is incredibly durable, flexible, and known for its lightweight frames. The TR90 Lightweight Square is part of the TR90 collection - this includes the TR90 Lightweight Rectangle Classic, the TR90 Lightweight Round, the TR90 Lightweight Cycling and the TR90 Lightweight Rectangle. What separates this item from the rest of its companions is the slightly thicker arms which are given a bright splash of colour, attracting many customers.
The lens are polarized (category 3) and are installed with UV400 protection, along with being available in different colours.
The product is equipped with a pouch, microfibre cleaning cloth, mini screwdriver and gift box.