The Nike Terra Kiger 9 is the latest version of the first trail running shoe I ever ran in from Nike and the lightweight, traction rich and whip-quick run is as fun as ever. The Terra Kiger 9 ditches the Zoom Air pods of years past and brings in a full-length React Foam midsole capped with a completely redesign of the outsole lug setup. This is Gearist’s Nike Terra Kiger 9 Review.