Plus, like all of our lenses, they block blue light while reducing smudging and glare. Quality you can feel: premium, durable materials, thoughtful designs, and careful craftsmanship. Your Caddis frames come nestled on top of a soft, custom-designed microfiber bag for storage. About Our bestselling style. It’s like the elastic waist pant of eyewear...which is degrading to Miklos, but it fits that wide a range. People with larger faces like the frame’s thickness and solid feel. Just depends on what you’re into. It’s a boat thing. Not a yacht thing. Design details Versatile style with a medium-large fit. Top of frame is engraved with “Port” and “Starboard.” Sturdy 5-barrel hinges ensure security and stability. Temples feature a wire core for customizable fit. Materials Frame: Premium bio-based, high-density acetate. Hardware: Custom alloy metals. Lenses: Proprietary Frq blue light filtering CR39 lens.