Smith Preview Replacement Lens

BirdsEye Vision™ – Clarifies not just your line, but the riders in your periphery. The 4D MAG has a 25% increase of overall field of view compared to Smith's I/O MAG. Utilizing Smith's new BirdsEye Vision™, you can now see more than ever before.

ChromaPop™ Lens Technology – Through Smith's proprietary ChromaPop™ lens technology, we help you see detail and color beyond normal capabilities. ChromaPop™ filters two specific wavelengths of light that cause color confusion. By doing this the lens delivers greater definition, more natural color, and unmatched clarity to allow you to see more detail.

5X™ Anti-Fog Inner Lens – The most advanced anti-fog lens ever created, engineered to provide over five times the absorptive properties of anything on the market.

100% UVA/UVB Protection