RETRO TECH FOR EVERYBODY This silhouette is the ring that seamlessly connect the timeless appeal of our classic designs with the cutting-edge features of our retro-tech innovation. Grid Jazz 9 core version will become a pillar of our T2 collection holding perfectly sporty look as much as more casual color up. Open mesh Suede Overlays Upper - 50% Suede, 50% Polyester, Lining. and Sock - 100% Polyester. Sole - 100% Rubber.