Oliver Peoples "M-4 30th" round metal sunglasses. Vintage-inspired design reviving one of the first styles introduced in 1987. Hand-engraved feather pattern exclusive for the 30th Anniversary collection. Lens/bridge/temple (in mm): 47-20-145. Flat photochromic pink lenses with antireflective coating add a cool, progressive touch. Will self-adjust to darker or lighter conditions for the sharpest vision possible. Silicone nose pads for comfortable fit. 100% UVA/UVB protection.