y-3 Ultraboost 22 Shoes in Black From The Y-3 Collection.y-3 Lends Its Uninhibited Approach To A Running Silhouette. The Ultraboost 22 Shoes Have A Clean, Uncaged Slip-on Construction With A Flexible Adidas Primeknit Upper And Technical Rubber Detailing. Elastic Straps And A Contrast Pop On The Heel Pay Homage To The Iconic Y-3 Qasa. The Boost Midsole Offers Enhanced Cushioning, While The Outsole Keeps You Grounded.see More From y-3 at Hervia.comfeaturesy-3product Code: Gx1079colour: Black / Core White / Chalk Pearlslip-onadidas Primeknit Textile Strap Upperleather Liningrubber And Leather Detailingboost Midsolecontinental™ Rubber Outsolemade In China