Shocking, stylish and sexy shades supremely suitable for sports, sand and snow, from Pit Viper Pit Vipers classic sunglasses, the Originals, in a Double Wide fit size, for if you like me have a larger-than-average head size that your mother gives you no end of grief about.Designed with 100 UV protection and a low Light Transmission, when you wear these sunglasses, you can spot obstacles, threats and potential foes with ease. Also, if youre a dracula, not only will you look even sexier, you shant be affected by the harsh rays of sunlight as you prowl the streets of Whitby for vampire brides.The Originals Double Wide are 11mm aka 1.1cmwhatever 0.43 inches in Imperial wider than their Single Width siblings, alongside being a touch taller and featuring a complimentary but perhaps not complimentary wider nose opening. If you dont know which size suits you, either buy them both and return one or gift it to a narrowerwider-faced friend, OR you can visit the Pit Viper website where you can print out paper templates I myself dont own a printer myself, so all my printing done surreptitiously at the office.