removable polycarbonate core houses the LED/battery module and screws securely into place creating a waterproof seal

flexible straps (95% main strap with 5% logo detail) give a secure fit across the foot

The oversized storm collar provides extra protection from harsh weather

Insulation: No

Oakley Meta Vanguard Smart Glasses 0OW8001-01-Black/Prizm Road Category_Ray-Ban Wayfarer removable polycarbonate core houses theThe Oakley Meta Vanguard Smart Glasses in Black Prizm Road Real time insights. Relentless performance. Powered by Meta AI and Garmin. PRIZM LENS TECHNOLOGY Oakley Meta Vanguard feature Prizm lenses engineered to fine tune vision and boost contrast for razor sharp detail in any light, any weather. BATTERY LIFE From first track to final rep, Oakley Meta Vanguard keeps you going with 6 hours of continuous audio, 9 hours of daily use, and a case that adds