STL Nylon Sunglasses in Caffe 24K by Krewe feature handcrafted frames of glossy acetate and 24K gold-plated stainless steel. They have adjustable temple wires for a customizable fit and durable riveted five-barrel hinges. Each frame is unique, showcasing slight variations in pattern and color. Lens Custom, Grey Gradient lenses Seamless, edge-to-edge nylon lenses give the frame a sleek appearance 100% UVA and UVB protection Anti-reflective and scratch-resistant coatings Due to this frame's construction, prescription or customized lenses cannot be added