Rare! Good used condition Long-time adidas collaborator Stella McCartney is back with a new design, this time dressing the UltraBOOST X in black and white leopard print. The UltraBOOST X silhouette is running a monochrome aesthetic. The black Primeknit supports a strap system replacing the laces, and a spotted leopard print runs across the BOOST unit, altogether completing a streamlined design. Stretch textile upper with rubber sole Velcro strap closure Mesh panel insets Imported