Unleash the Kiger! Hit the outdoors and dominate the trails in the Nike Air Zoom Terra Kiger 8. Designed to deliver stability to your stride, these shoes cushion your feet on uneven and bumpy surfaces. The Nike React technology adds to the energy return, while the multidirectional traction lugs in the heel keep you confident on rocky terrains. The rock plate at the heel helps shield your foot cause it's all about you tackling terrains and making gains. Nike Air Zoom Terra Kiger features: Breathable mesh upper feels cool and secure. Fully lined to keep debris out. Skins at the toe offer abrasion resistance. Padded tongue helps relieve pressure caused by foot swelling over long runs. Zoom Air unit in the forefoot provides extra responsiveness. Heel is designed to lock in place.