Amazon.com : Smith Shift MAG Sunglasses – Shield Lens Performance Sports Sunglasses for Running, Biking, MTB & More – For Men & Women – Aurora Dew + Blue ChromaPop Mirror Lens : Sports & Outdoors
Cyclist guide to changing Smith Shift MAG lenses - feat. Magnetic Lens Swap Design - YouTube
Buy Shift Mag Replacement Lens starting at CAD 100.00 | Smith Optics