Brooks Women's Adrenaline GTS 14 White/Fuchia/Midnight Running Shoe Mesh Synthetic New lacing design: Evens out lace pressure to create a snug fit 3D Fit Print: Adds lightweight, flexible, no-stitch fit Omega Flex Grooves: Provide flexibility Adjustable Saddle Construction: Offers a conforming fit Progressive Diagonal Rollbar: Gives stability