Photo Blue/Atomic Green Vibrant Nike Flex Runner shoes with a bold design. Stretchy bootie design makes it easy to slip your foot in with a snug and secure feel Heel strap and leather on the sides stabilize your fit Back of the shoe features foam that creates a wing-like shape around the heel for extra stability Breathable fabric on the front of the shoe is lightweight DURABILITY & TRACTION: Flexible foam sole is designed with deep grooves Sole's pattern also helps with multi-surface traction Toe tip is reinforced for extra durability Brand : Nike