Ergonomically engineered to help optimize your body's alignment, natural movement & energy. The Microwobbleboard midsole offers triple-density cushioning, following three footstep stages: firm heel, soft middle, and medium at the toes. Heel and forefoot 'impact pillows' enhance cushioning, while natural arch support and grip suited to everyday use/road tread provide comfort and stability. These sandals take a utilitarian classic to new heights, featuring a strappy upper on a stacked, yet lightweight, sole. They have an open toe design and a polyester strap upper. Upper: Polyester; Lining: Polyester; Sole: EVA/Rubber. Care Instructions: Wipe Clean only. Heel Height: 5.0 cm.