Merging design elements from the 2006 original with contemporary tooling, the Gel-Kayano 12.1 sneaker features an upper inspired by the structural and metallic qualities of European gothic armour. Leather overlays and open mesh underlays are incorporated into the construction. The midsole utilises the tooling system from the Gel-Nimbus 17, incorporating dual Gel technology inserts and a Fluidride cushioning structure originally engineered for marathon comfort. breathable mesh underlays Gel-Nimbus 17 tooling system Fluidride technology rearfoot and forefoot Gel technology
