NIKE Zoom Vapour 9 Tour Tennis Shoes - 11 - Blue Midfoot Arch Strap - Helps to keep the foot secure and in place, reducing slippage and therefore preventing blisters. Soft Synthetic Upper - Makes the shoe nice and lightweight but increases durability and life span of the shoes. Nike Zoom - Included in the heel for low-profile, responsive cushioning. Keeping you going, for longer! Cushioned Heel - Soft cushioned against the heel for improved comfort. Nike Flex Grooves - For enhanced more natural, efficient range of motion