Designed for fast trail running, the Kjerag 2 delivers more responsiveness, more comfort, and more performance than ever before. More responsiveness, more comfort, more speed. Nnormal improved the Kjerag to enable more runners to experience its performance. They kept its DNA but made it even better Responsive midsole, with more stack, more rocker Lighter, more comfortable upper Matryx® Jacquard Single Layer VIBRAM® Megagrip VIBRAM® Litebase EExpure + midsole, TPE based - 35% higher rebound & resilience Stack Height: 20mm / 26mm Drop: 6mm Lug Length: 3.5mm Weight: UK size 7.5 - 214g (7.6 oz)