NNormal Kjerag 02 - Lightweight Race Day ShoeDesign & Build Stack & Drop NNormal Kjerag 02 features a moderate stack height of approximately 26 mm heel 20 mm forefoot, paired with a 6 mm drop, aligning with precision focused trail footwear. Midsole EExpure+ supercritical foam This upgraded foam offers enhanced responsiveness and cushioning while keeping weight low. Reportedly has 35% higher rebound, 40% greater durability, and improved abrasion resistance compared to the original. Rocker