Find sleek, stretchable comfort with the Ultra Flex 2.0 - Flash Illusion walking and athletic trainer. Equipped with extensive comfort components in order to protect and cushion, these trainers are crafted with an Air Cooled Memory Foam cushioned comfort insole and a highly flexible and articulated midsole and outsole design for freedom of movement. An Ultra Flex 2.0 midsole gives superior impact cushioning protection and remarkable energy return, whilst the soft sport-knit upper creates a sock-like fit for snug comfort.