Brand new in a box authentic Women's Running Shoe Nike Air Zoom Winflo 6 2 Zoom Air units give a responsive, stable feeling underfoot. Engineered mesh and synthetic upper provides supportive structure and breathability. Sleek, sculpted profile creates a fast look and feel. Partial bootie wraps the foot for a secure, snug fit. Heel foam sweeps away from the Achilles tendon for optimal comfort. Modified Waffle tread on the medial side gives you excellent traction. Rubber crash rail