adidas Ultra Boost Collective Trainers in Black. One of two trainers to be taken from the Dirk Schonberger x James Carnes collaboration, these Ultra Boost trainers optimises everything adidas. Designed by the 2 creative directors of adidas, James and Dirk waned to let the heritage of the brand shine through. With a heritage built on using the highest calibre of materials and superior manufacturing techniques, these are sure not to let you down. The outcome of the collaboration is a pair of complimentary opposites. The black style has been expertly crafted from a metallic black and wool fibre with reflective accents. An open air mesh heel sock, injected black fit panel and a black heel counter all sit upon the comfort of the iconic boost sole and the Torsion System technology for increased support.