The Futura shoes sport a lightweight carbon composite outsole with Louis Garneau's Patented Multivent System. One way stretch lycra helps to keep heel in place during power stroke. Comes with 2 interchangeable Coolmax insoles that adpat to different weather conditions.

Product Link:
http://www.louisgarneau.com/us-en/product/305570/1487081/_/FUTURA_SHOES