adidas Running - Quest Trail W (Slate/Silver/Aspen) - Women's: A well-cushioned running shoe designed for under-pronators to neutral runners. Synthetic material mix for interesting looks. Compression molded EVA for lightweight cushioning, adiPRENE insert in heel. Carbon rubber for durability. adiPRENE(R) - maximizes heel protection and stability. Shock absorbing material located under the heel provides extra protection from harmful impact forces.