New New New, shoes fits slightly smaller, you may want to size up. Revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet and joints. The OOmg features a breakthrough in shoe construction that eliminates unnecessary layers and leaves only OOfoam between your foot and the ground. New OOtex 4-way stretch mesh upper conforms to your feet and the stretchable strap adds support over the arch without binding.