The upper construction references the Gel-Nimbus 3 shoe and blends it with embellishments from the MC-Plus V design. The tooling uses the Gel-Cumulus 16 system. A combination of lightweight foams and Gel technology inserts creates underfoot comfort. upper inspired by the Gel-Nimbus 3 and MC-Plus V Gel-Cumulus 16 tooling rearfoot and forefoot Gel technology