Y3 Ultra Boost 22 in Black/white. These stand out trainers from Y3 would certainly add a touch of luxury to your footwear collection. The distinctive contrasting colour pattern of the black and white exterior will make sure you don\'t go unnoticed when in the city. Crafted from an uncaged prime knit upper for extra durability at areas of high stress whilst a boost and continental rubber sole offers plenty of in-built comforts. The Y3 is finalised with a white heel tab and ultra boost branding to the side of the trainer.