High-Quality TR90 Frame; TR90 is made with a Swiss technology to be super flexible durable and lightweight. Multi-Layer TAC Polarized Lenses; Eliminates 100% of UVA/UVB Harmful Blue Light and Glare; High-Quality Lightweight TR90 Arms; Spring-Loaded Stainless Steel Hinges; Scratch and Impact Resistant. The Simplify Wilder includes the following features: high-quality TR90 frame, TR90 is made with a swiss technology to be super flexible durable and lightweight., multi-layer TAC polarized lenses, eliminates 100% of UVA/UVB harmful blue light and glare, high-quality lightweight TR90 arms, spring-loaded stainless steel hinges, scratch and impact resistant.