Brooks Men's Racer ST 5 Running Shoes Manmade,Mesh Made in USA or Imported Pick up the pace and set a record breaking win in the Brooks&reg; Racer ST 5. An update to the Racer ST 4. Ideal racing flat for 5K to marathons. Open mesh upper optimizes breathability. Synthetic leather and microfiber overlays provide lightweight, targeted support. Element upper offers protection from the various elements in a lightweight, breathable fabric that is made to withstand even the toughest run. Contoured heel cup for added comfort and performance. Heel pull loop for easy on/off. Molded insole supplies lightweight plush. BioMoGo midsole provides long lasting cushioning and is environmentally friendly. A non-toxic, natural additive encourages anaerobic microbes t