Adidas PureBOOST X Women's Running Shoes - AW16 ***Update*** Lenticular Colour Shifting Mesh - New design, gives the effect of instant motion. Engineered Mesh Upper - Provides breathability whilst conforming to the shape of the feet for comfort. Synthetic Sidewall Panels - Delivers a structurally sound upper, adding stability to the interior. Removable Featherweight Sockliner - Adapts to the foot for customised fit and feel. Welded Overlays - Adaptive and dynamic in fit yielding optimal flexibility.