The tried-and-true icon from the '90s now dips your feet in the pond of prosperity. Koi details throughout (including a subtle scale print) pair with a Koi graphic on the sockliner for a meditative look. The wavy side panels add water-like flow, while visible Nike Air cushioning delivers performance comfort. Go ahead and take your chance. Koi details celebrate the fish of prosperity and good fortune. Originally designed for performance running, Nike Air cushioning in the heel and forefoot put the history of comfort beneath your feet. Flex grooves on the midsole let you move freely. Rubber outsole adds traction and durability. More Details. Not intended for use as Personal Protective Equipment (PPE).