WARNING: This item may run small. If you're in doubt between two sizes, choose the larger size. RETRO TECHNOLOGY FOR EVERYONE This silhouette is the link that seamlessly connects the timeless appeal of our classic designs with the cutting-edge features of our retro-technical innovation. The Grid Jazz 9 core version will become a staple of our T2 collection, with a perfectly sporty look and more relaxed colours. Open mesh Suede overlays