Canvas and genuine suede, flexibility and breathable Foam cushions every step Vulcanized construction fuses the sole to the upper for a flexible feel Extended toe bumper adds durability. Traditional lacing US sizing The next generation of ChronThe Nike SB Chron 2 Canvas is the newest member of the Chron family. 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.