New IVY PARK x adidas ULTRABOOST SHOES by Beyoncé Can provide proof of purchase. Product color: Maroon / Maroon / Solar Orange Men’s sizes listed, size down 1.5 for women’s size. Built for impact. These IVY PARK Ultraboost shoes take a celebrated adidas style and injects it with utilitarian swag and a touch of attitude. Energy-returning cushioning creates a sense of fluid motion for a smooth ride. A hook on the heel clips to your gym bag, showing off the bold style even when they're not on.