brand-new, Unused. Unbreakable Japanese-made eyeglass frames. Also suitable for sports. Brown color.

KOOKI sports flex is a Japanese-made eyeglasses frame featuring shape-memory alloy, known for its simple yet solid design.The frame color is a subdued, deep brown, offering a versatile and understated look with a touch of elegance.Designed for sports use, the shape-memory alloy in the side frames is crafted into a slim, rod-like shape. Unlike conventional eyeglasses, this allows the frame to flex not only horizontally but also vertically and diagonally, absorbing impact and making it less prone to breakage if dropped or squeezed.This feature is beneficial not only for sports but also for everyday use, such as falling asleep while wearing your glasses, as it resists deformation. It's a recommended pair for various situations.Furthermore, the frame's size and design are unpretentious, making it suitable for both men and women.Size:50□19 140Vertical width 34.5Total horizontal width 137mm- Frame color: Brown- Temple material: Metal- Size: 50Color...Brown系 (Brown-based)Frame material...MetalStains, tears, odors, etc....None Perfect for everyday use. premium materials and excellent craftsmanship ensure long-lasting durability.