This SALT Optics frame is an older model and is considered final sale and is not eligible for return, exchange or warranty. Model: Cooper (RT) Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 53 18 149 Frame Material: Acetate, Titanium Frame Features: 100% Made In Japan with high quality Japanese componentry. Aerospace Grade Japanese Titanium provides lifetime durability with a featherweight feel. Specific titanium thickness designed to provide the proper fit, while reducing stress to the lens and ensure superior optics. Mono-bock titanium process eliminates points of stress and fatigue ensuring eyewear that will last generations Lens: Any and all prescriptions can be filled at Good See Co. Shipping: Occasionally SALT. frames may have to be special ordered from the manufacturer and will take 1-2 days to arrive before shipping. Handmade in Japan