Our most narrow size, 49 mm. Your alter ego. Animating a classic lens shape, the HOWARD's bold rectangular proportions make for a flattering fit refined with a rounded inner silhouette. Chiseled edges and sharp corners give y'alls everyday uniform a more distinguished feel. Need HOWARD in an average (51mm) or wide (53mm) size? Lifetime Warranty Handcrafted, Luxury Acetate Glasses RX Ready Size 49-21-145 This is our smallest sized HOWARD Premium Hard Case Microfiber Cleaning Cloth SKU: 27504