Lifestyle | Cycling | Boating | Running | Hiking Inspired by the robust character of the Chestnut tree, our new Chestnut sunglasses offer a blend of classic style and resilient design. These shades feature a striking rectangular frame with defined angles and a subtly extended lens height, providing a confident and sophisticated aesthetic while offering an enhanced field of view. Crafted for exceptional clarity and a secure fit, the Chestnut sunglasses are your perfect accessory for both urban adventures and outdoor explorations, providing enduring style and reliable performance. Fit: Size = Medium / Large Fit = Wide See measurements in the fit guide below.Featuring: Heist Lock 100% UV Protection – Full spectrum defense of UVA / UVB / UVC and harmful blue light up to 400nm Soltra Optics – Color-accurate vision – Edge-to-edge optical clarity Crystan Anti-Scratch — Diamond tough, surface defense Crystalis Oleophobic Coating — Repels oils, smudges, and fingerprints ArborCore Bio-Based Frame – Built from Plants – Petroleum Free – Lightweight feel for all-day comfort – Durable construction for active use – Flexible fit that moves with you SureHold Retention — Advanced retention technology – No-slip nose pads and temple tips – Secure fit through sweat and movement – Stay-put comfort for active wear Unisex Rx Ready Case & Cleaning Cloth — Complimentary Case & Cleaning Cloth HD Helios Defense Polarized — Polarized Lenses Only – Full-spectrum protection up to 680nm – Enhances color separation and visual contrast – Precision-engineered polarized lens core – Decentered optics maintain edge-to-edge sharpness – Not a surface coating, so it won't scratch off