The design features structural elements inspired by European gothic armour, with open mesh underlays to improve airflow. The midsole incorporates the tooling system from the Gel-Nimbus 17, engineered for comfort with dual Gel technology inserts and a Fluidride cushioning structure. breathable mesh underlays Gel-Nimbus 17 tooling system Fluidride technology rearfoot and forefoot Gel technology dope dyed recycled sockliner mesh
