Optic Nerve Boiler Sunglasses Backpacking Packs engineered for premium sound and

engineered for premium sound and a long-lasting battery to keep you aware & motivated to power through any workout

The single-unit insert fits easily into three unit and four unit frames and features a small notch for quick removal

The powerful and efficient LED lamp has a crank on board

Made of bluesign®-certified materials

Optic Nerve Boiler Sunglasses Backpacking Packs engineered for premium sound andWith its bold red lens and trendy sport like frame, the Boiler is hot, hot, HOT! These shades are super lightweight and perfect for any adventure that may lay ahead. Fans of the Mashup and Ziggy will rejoice this is the newest go to! Check Out our newest frame color, crystal! Unisex, fits a wide range of face sizes. UV Rating: 100% UVA UVB Protection Lens Type: Polarized Design: Active Sports Warranty: Lifetime Frame: Durable, Lightweight