Walk with absolute comfort on a cushion of air with the GOwalk Air. Features lightweight, responsive ULTRA GO cushioning and visible air cushioned dual density design for the ultimate in walking comfort., Lightweight, responsive ULTRA GO cushioning Air Cooled Goga Mat breathable insole provides high-rebound cushioning, Dual density outsole for added stability and support Dual density outsole for added stability and support, Soft stretch knit mesh fabric upperSoft stretch knit mesh fabric upper, Soft woven stretch knit mesh fabric upper