Brooks Women's Adrenaline Gts 11 Running Shoe 100% Mesh and synthetic Rubber sole Enhanced upper materials and construction to provide maximum comfort and breathability, wh Asymmetrical upper overlays to create a more secure arch capture. Caterpillar heel pad A more segmented crash pad that customises the individual's lay down Increased heel bevel to create a smoother transition, a softer lay down, and slower rate o Signature PDRB triple-density post on the medial side of the shoe for industry-leading sta