The Nike React 55 Men's Shoe, the design lines from Nike's Heritage running shoes, such as Internationalist, adds reflective graphics and is based entirely on Nike React technology. The lightweight textile upper provides a shimmering, extravagant look. Nike React technology provides a supple smooth ride. Rubber mules on midsole / outsole provide a sturdy traction. Reflectors on the heel tab and eyelets enhance visibility in low light conditions. Eyelet bumper follows the wavy design lines of the eyelets of the Nike Internationalist. A TPU heel clip ensures a stable fit. Pull tab on the heel for easy on and off.