Ergonomically engineered to help optimize your body's alignment, natural movement & energy. This sandal features a light pressure-diffusing microwobbleboard midsole with triple-density cushioning that follows 3 footstep stages (firm heel/soft middle/medium at toes). It also includes heel and forefoot 'impact pillows' to enhance cushioning and provides natural arch support. The grip is suited to everyday use and road tread.