These shoes were created using motion capture technology to meet the needs of the female runner. A women's-specific arch offers a uniquely supportive feel. The stretchy knit upper is made with yarn spun from Parley Ocean Plastic™ and adapts to the changing shape of your foot as you run. Responsive cushioning delivers a smooth and Energized ride. Runner type Neutral shoes for the ultimate running experience Lightweight support adidas Primeknit upper wraps the foot in adaptive support and ultralight comfort; Adaptive arch molds to the shape of your foot for a unique compression fit Energized cushioning Boost is our most responsive cushioning ever: The more energy you give, the more you get Reliable traction Stretchweb outsole flexes naturally for an Energized ride, while Continental™ Rubber gives you superior traction Natural feel and support Aramis 3D motion capture system maps runners' movements to create a fit without pressure points or irritation Good for the oceans This product is created with yarn made in collaboration with Parley for the Oceans: Some of the yarn features Parley Ocean Plastic™ which is made from recycled waste, intercepted from beaches and coastal communities before it reaches the ocean.