Zeal Optics Blast ZB-22 Polycarbonate Sunglasses glass lens Polarized Maximum true performance Blast! PASV vented frame to virtually eliminate fogging. Removeable and replaceable sweat guard. ZB-13 Polarized - One Lens Maximum Versatility! Outside Magazine's BEST SUNGLASS 2006! The ZB-13 Polarized lens "amps up depth perception, intensifies contrast, sharpens edges, and performs masterfully in so many light conditions." "No Fee" Lifetime Warranty & Crash Replacenent Program direct with Zeal Optics. See www.zealoptics.com for details. Complimentary "recycled" BONUS hard carrying case and microfiber cleaning bag. Small-Large face fit