Kaiwa Size:6 with the upper maintaining shape

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

Eight dedicated card slots complete its highly functional layout

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

Dimensions: 29 cm at longest

Kaiwa Size:6 with the upper maintaining shapeThis 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