Rearfoot GEL technology cushioning system - Attenuates shock during impact phase and allows for a smooth transition to midstance. Synthetic Leather and Mesh Upper - Lightweight, comfortable and breathable, enhancing performance and fit. Reinforced Toe Cap - Trail Specific Outsole - Reversed lugs provide uphill and downhill traction on all types of terrain. EVA Sockliner (NO ORIGINAL BOX)