Kaiwa Size:6 Ultra-light titanium optical frame designed

Ultra-light titanium optical frame designed with a slim rectangular silhouette and rimless construction

Contrasting black leather cuffs and waistband anchor the silhouette at mid-hip with precision

Eight dedicated card slots complete its highly functional layout

with the upper maintaining shape while the lower section adds soft movement

Dimensions: 29 cm at longest

Kaiwa Size:6 Ultra-light titanium optical frame designedThis contemporary runner revives an archival silhouette through Y 3s pared back design language. The upper blends premium leather with neoprene in a sock like structure that forms a smooth, continuous profile around the foot. Interior lining mirrors the same material composition for cohesive support. A lightweight EVA midsole introduces cushioned responsiveness, while the rubber outsole grounds the design with stable traction. The minimal exterior is