羽 Hane - Feather: The Pursuit of True Lightness There is a common assumption in eyewear that strength requires mass. For Fall Winter 2026, KIO YAMATO challenges that assumption with 羽 Hane, the Japanese word for feather. Hane was not chosen simply as a seasonal theme or visual reference. It represents the central engineering philosophy behind the collection: how light can a frame become without compromising its integrity?

KS‑104 isn’t just an accessory—it’s a narrative in acetate and titanium. Inspired by the exuberant styling of Pitti Uomo and the rugged elegance of Japanese Americana, the frame distills cultures, eras and mechanical motifs into a simple yet striking design. Its engineering—premium acetate, ZEISS lenses and beta titanium with J‑hinge—delivers performance that matches its aesthetic. On the cobblestones of Florence, the streets of Tokyo or behind the wheel KS‑104S is the sungla