Mastering the delicate balance between athletic performance and stylish aesthetics is something that Adidas by Stella McCartney has achieved. This considered Ultra Boost hi top sneaker have a sock-like stretch upper with an outer support cage, offering top marks in functionality. Energising you with each step, they are crafted with a moulded cage and heel counter for support and a torsion system for midfoot integrity. Size: 8. Color: Blue. Gender: Female. Material: Polyester/rubber.