TR90 frame Composite lens polarized Lens width: 1.69 inches ✔️TR90 SUPERLIGHT MATERIAL DESIGN - TR90 was produced through Swiss technology as a thermoplastic material, it's a lightweight, durable polymer with extreme bending strength known for retaining its shape. Sunglasses made with TR90 are extremely comfortable because they have a flexible quality. ✔️HD POLARIZED LENS - Joopin polarized sun glasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces. Restore true color, eliminate reflected light and scattered light and protect eyes perfectly. ✔️UV 400 PROTECTION - Joopin vision lenses are 400UV rated, meaning it can block 99%-100% of both UVA and UVB radiation. UV400 rated eyewear are essential to protecting your eyes against long- term UV damage and keeping your eyes healthy.