[Lens Technology & Category : Volt+ Polarized Cat. 3] Enhanced colors and glare reduction Volt is a revolutionary high contrast lens. Developed with the problem-solving power of artificial intelligence to generate a lens formulation that provides an incomparable colour experience with a maintained white balance. The high quality polarization filter gives better vision and comfort by redu [Frame Shape : Half Rim Shield] Lightweight frame with great field of view [Frame Material : 45% bio-based Nylon] Flexible and strong with reduced eco-impact The eco nylon is sourced to 45% of castor bean oil, thereby reducing the use of fossil petroleum sourced plastic, while keeping the same performance and quality as regular nylon. [Nose & Temples : Adjustable nose piece & Thermogrip temple tips] Great stability and comfort Thermogrip is made from hydrophilic rubber that becomes grippier when wet, which means your sunglasses stays in place when you move, even when you start sweating. The nose piece is adjustable to allow a better fit and comfort. [Additional Features : Sport Performance case included] the best protection for your eyewear Strong EVA case to keep your sunglasses safe in storage or when you're on the move