The Nike Air Sock Racer Ultra Flyknit Women's Shoe resurrects the racing legend as a lifestyle sneaker, modernised with Nike Flyknit fabric for an ultralight feel. SUPPORTIVE COMFORT Woven Flyknit integrates areas of breathability, stretch and support where you need them most, contouring to the shape of your foot for a comfortable, lightweight feel. ADJUSTABLE FIT A pair of adjustable straps lets you dial in the perfect fit. RESPONSIVE CUSHIONING Nike Zoom Air in the heel delivers lightweight, comfortable cushioning that responds to your step.