Model: PL15 (RB032-P0) P0=Asphalt Gender: Unisex Frame Size (mm): Lens Width Bridge Temple 51 18 135 Frame Materials: Surgical Stainless Steel, Organic Rubber Frame Features: Technical Core: 0.6mm Scandinavian Surgical Stainless Steel (Feather-Light, Ultra-Resistant, Fully Adjustable, Anallergic), Designed, Cut, and Shaped to Avoid Weldings and Weaknesses. [Performance+Function] Artisanal Surface: Organic Rubber Fused on Top, Compressed With Old Molds Into a Three-Dimensional Texture, Followed by an Intricate Old-School Pigmentation Process, Perfected Through Slow Hand-Rubbing for Selective Removal. Every Frame Is Unique. [Uniqueness+Feel] 8-Gon Hinge: Micro-Milled 5mm Stainless Steel Block, Patented Interlocking Hinge Concept, Balance of Inspirations, Geometrical Engineering and "Haptic" Experience. [Precision+Function] Nose-Arms: Patented Structural Round Brackets featuring 4-Way Adjustable Duck-Neck and Silicon Anallergic Soft Pads. [Comfort+Design] Temple-Tips: Exclusive Contemporary Zig-Zagged Temple Tips, Super-Comfortable and Fully Adjustable, With Replaceable Heat-Shrink Tubes. [Comfort+Design] Lens: Gray Gradient tint, Polyamide Nylon 4-Base lens, Carl Zeiss Vision. Any and all prescriptions can be filled at Good See Co. Warranty: 1 Year Manufacturer Manufactured From Premium Raw Materials, Sourced and Curated Exclusively by Hapter, With Innovative and Artisanal Care in Hapter Work-Shop in Belluno – Italy