adidas Supernova Sequence 9 Women's Running Shoes fabric-and-synthetic ***Update*** Adidas FitBand Technology - Helps to encourage a more natural run for increased comfort. Synthetic Overlays with Mesh Panels - For added support and breathability. Padded Heel Collar and Tongue - For improved comfort and a more snug fit. Adidas Boost Midsole - Provides great cushioning and returns energy to your run. Midfoot Torsion System - Guides the foot's rotation around the midfoot for optimum transition from the midfoot stance to forefoot push off.