Unisex Eyewear model by TR18 with the seal of Eastman, one of the world leaders in copolyester technology. Respectful with the environment and provides a unique balance between clarity and resistance Category 3 glasses and uv400 protection Sunglasses made of TR90 with the EMS seal, considered the best Nylon for frames in the world that provides more flexibility and resistance Acetate pads for a much more comfortable hold 5-bar hinge for greater grip and durability Wider temple tip design to improve ergonomics and comfort 45º joint to smooth the joint between frame and temple giving it perfect continuity Measurements: Front 142 mm, Height 44 mm, Temples 145 mm, Bridge 14 mm Lens diameter 51 mm