Used only once. Specifications: Zeiss Optics VAYPER was developed with the goal of being "lighter than a bird's feather." This was achieved through the introduction of ultra-slim temples, a single-piece front design, and detachable sockets. * Adjustable silicone nose pads * Durable design with hinge-free construction and high-tensile steel * Gently curved temple frames maintain the ideal glasses position * Ultra-slim temple frames alleviate discomfort when wearing a headset * Detachable sockets that touch the upper ear * One-piece front frame construction with no welds or screws, reducing deterioration Lens width per side (mm): 58 Nose width (mm): 15 (adjustable) Frame height (mm): 34 Weight (g): 20