Model: Union Gender: Unisex Frame Size (mm): Lens Width Lens Height Bridge Temple 54 43 19 145 Frame Material: Japanese Acetate, Metal Frame Description: Inspired by the sleek, squared-off silhouettes of the ’60s, Union delivers timeless style without the bulk. Designed for all-day wear, this ultra-lightweight frame is paired with the finest polarized optics for unmatched clarity and comfort. Frame Features: 100% Made In Japan with high quality Japanese componentry. Japanese acetate ensures rigidity & durability for a proper fit, lasting adjustments, and high luster. Functional rivet hinges provide lasting quality for generations. Lens: Polarized optical grade CR-39 lenses offer superior optics. SALT. anti-reflective, hydrophobic, and oleophobic coatings reduce glare, repel dirt & water, and diffuse harmful light rays to ensure the highest optical clarity and performance. Shipping: Occasionally SALT. frames may have to be special ordered from the manufacturer and will take 1-2 days to arrive before shipping. Warranty: 1 Year Manufacturer Handmade in Japan