Tyrant 2.0 Reader Sunglasses – +2.5 – Matte BlackIncluded Lenses: Smoke Readers +2.5Weight: 24gFit: S-MFrame Type: Open LensRX Options: DirectFitFeatures:Grilamid TR-90 Frame : TR-90 is an incredibly light and durable nylon material that resists chemical & UV damageAdjustable Ear Pads: Fully adjustable ear pads allow a custom fit, increasing comfort & performanceAdjustable Nose Pads: Fully adjustable nose pads allow for a closer fit, limiting slippage and increasing comfortVented Lenses: Vented lenses increase airflow to prevent fogging and to help keep you coolHydrophilic Rubber: Hydrophilic rubber ear & nose pads increase their grip the more you sweat – no slipping