Harold is a structured square in thick acetate. Fine, stepped lines run across the brow, giving the front a sculpted, dimensional edge. Product Details Frame: Acetate Lenses: Demo lenses, ready for prescription Hardware: Working rivet hinges Size & Fitting Size: 53-17 Large Temple length: 145mm Face Coverage: Generous. A wider lens front for those who prefer fuller coverage of the face. Bridge: Sculpted Fit. A narrower bridge that sits securely and suits most nose shapes. Sold exclusively through authorized retailers.