Men's Y-3 Kaiwa Trainers In Off White - Natural - Low-top trainers Y-3 Kaiwa shoes bring a bold fusion of retro running style and modern streetwear aesthetics. Drawing inspiration from the archives, these shoes reintroduce a classic running silhouette to the urban landscape with a progressive and minimalist design philosophy. Composition: Leather. Lace closure. EVA midsole. Rubber outsole. Y-3 logo.