THE NEXT GENERATION OF CHRON. Flexible and breathable, the Nike SB Chron 2 is a sequel worthy of its predecessor. The revamped design includes a reshaped collar and heel for an improved fit—all while maintaining the comfort and performance you expect from Nike SB. Benefits * Suede and canvas are durable and breathable. * Foam cushions every step. * Vulcanized construction fuses the sole to the upper for a flexible feel. * Extended toe bumper adds durability.