Breathable mesh upper Dual density midsole cushioning Midsole hot-knife cuts deliver flexibility Set the pace with the LunarStelos Running Shoe from Nike. The LunarStelos is engineered to give you the support and comfort you need with each and every step. Two densities of soft foam located underfoot combine to ensure a smooth transition. Hot-knife cuts throughout the midsole provide added flexibility to create equal pressure dispersal throughout your stride. The breathable mesh upper delivers cooling ventilation.