KEEN Unique Platform Sandals All-gender UNEEK PLT Mary Jane The women's sizes sold out immediately and were very popular. Black 24cm Retail price: 19,800 yen Worn about twice OPEN AIR SNEAKER. A next-generation sneaker made from two cords and a single sole. After rethinking the method of shoemaking from scratch, and after three and a half years of planning, this revolutionary and unique hybrid footwear was completed. The thick platform sole unit provides even greater cushioning. A stylish Mary Jane style that combines an open design with high stability.