Nike SB Eric Koston 2 Max black-university-red-cool-grey shoes. Nike SB Eric Koston 2 Max Men's Shoe is made with insights from a legendary skateboarder, featuring low-profile cushioning and deep flex grooves for the ultimate in board feel. On your deck and off, a no-sew construction and perforations at the sides minimize irritation while maximizing airflow. Nubuck leather is backed in TPU for enhanced durability.Max Air unit in the heel for impact protection.Deep flex grooves allow the foot to move naturally. Product code631047-060.