Women's Adidas Women's Ultraboost 19 Knit Low - Top Sneakers - Blue Fits true to size, order your normal size. Features boosttm technology for continuous responsive energy. Round toe. Lace up. Stretch knit upper for a flexible fit. Cage design with signature triple stripe for added support. Torsion spring: ultimate transition and propulsion. Padded tongue, heel and ankle for optimal comfort. Second-skin fit. Dual-density cushioning delivers medial support and an energized ride. Rebooted key performance technologies provide a confident and energy-filled run. Fabric upper and lining, rubber sole.