Key features

• •BIG TIMBER: Big Timber features low-light capability with full sun protection in a single lens. With a full wrap and our Auto Sun lens, Big Timber is ready for the day's adventure, even if it's early or late.
• •POLARIZED + PHOTOCHROMIC LENSES: Zeal Optics Auto Sun lenses combine photochromic technology and polarized protection into a single lens for an unsurpassed visual experience no matter what the day brings.
• •AUTO SUN LENS: Designed for days outside in changing light conditions, photochromic technology automatically adjusts from a low-light, bright yellow with a 28% Visual Light Transmission (VLT), to a high visibility persimmon with a 15% VLT for sunny conditions, while polarization protects and heightens color, definition, and detail.
• •LIGHTWEIGHT FRAMES: Designed with Zeal Optics Z-Resin, these lightweight, durable, plant-based frames bring more comfort for everyday wear and activity.
• •PLANT-BASED FRAMES: Zeal Optics frames are made from Z-Resin, a unique plant-based polymer derived from the castor plant. This durable plant-based material contributes to a lighter weight frame, for more comfortable everyday wear and activities.