C37 + brand new upper material, using a brand new engineering mesh, with 1000+ breathable panes distributed throughout the shoe body, which is more breathable and smoother than the previous generation. The front half of the shoe adopts the stitch-free technology, which is soft, comfortable and stronger. The newly added PP film effectively strengthens the support of the upper and protects the toes. The heel is wrapped in 180 degrees with TPU, which effectively improves the stability and support performance.
Tech： 1.1000+ breathable mesh, higher breathability. 2. The heel of the shoe is wrapped in 180-degree embracing TPU. 3. The PP film strengthens the support of the upper and protects the toes.