UNMATCHED FLEXIBILITY AND COMFORT. The Nike Kawa Shower Slide features a soft synthetic strap that conforms to the natural movement of your foot. Its cushioned platform combines plush foam underfoot with a durable, lightweight outsole foam for long-lasting wear. Full-length wavy flex grooves keep the midsole ultra-flexible. Soft synthetic strap moves naturally with your foot. Lightweight foam footbed provides a plush feel.